Chen ZQ, Xu W, Yan YS, Chen KY. Different effects of reinforcing and reducing manipulations in acupuncture assessed by tail-flick latency, vocalization threshold and skin temperature in the rat. J Tradit Chin Med 1987 Mar;7(1):41-5.

Cho SH, Chun SI. The basal electrical skin resistance of acupuncture points in normal subjects. Yonsei Med J 1994 Dec;35(4):464-74.

Choi CR, Lee G, Lee SC, Song J. The effects of acupuncture on the sensory evoked potential response. Neurochirurgia 1988;31(1):21-4.

Ciszek M, Szopinski J, Skrzypulec V. Investigations of morphological structure of acupuncture points and meridians. J Tradit Chin Med 1985 Dec;5(4):289-92.

Cohen M, Kwok G, Cosic I. Acupuncture needles and the Seebeck effect: do temperature gradients produce electrostimulation? Acupunct Electrother Res 1997;22(1):9-15.

Dai JL, Zhu YH, Li XY, Huang DK, Xu SF. C-fos expression during electroacupuncture analgesia in rats - an immunohistochemical study. Acupunct Electrother Res 1992;17(3):165-76.

Dale RA. Acupuncture meridians and the homunculus principle. Am J Acupunct 1991;19(1):73-5.

Dale RA. The demystification of Chinese pulse diagnosis: an overview of the validations, holograms, and systematics for learning the principles and techniques. Am J Acupunct 1993;21(1):63-80.

Dale RA. The forms of Qi (vital energy) in acupuncture. Am J Acupunct 1994;22(1):71-6.

Danielczyk W. EEG, 5 HTP metabolism and acupuncture. J Neural Transm 1976;38(3-4):303-11.

DeSmul A. Very new waves in very old meridians: quantum medical physics of the living. Acupunct Electrother Res 1996 Jan-Mar;21(1):15-20.

Ernst M, Lee MH. Sympathetic vasomotor changes induced by manual and electrical acupuncture of the Hoku point visualized by thermography. Pain 1985 Jan;21(1):25-33.

Friedman MJ, Birch S, Tiller W. Towards the development of a mathematical model for acupuncture meridians. Acupunct Electrother Res 1989;14(3-4):217-26.

Funakoshi M, Kawakita K. Neurophysiological demonstration of an acupuncture point in man. Am J Chin Med 1980 Winter;8(4):367-9.

Futaesaku Y, Zhai N, Ono M, Watanabe M, Zhao J, Zhang C, Li L, Shi X. Brain activity of a rat reflects apparently the stimulation of acupuncture. A radioautography using 2-deoxyglucose. Cell Mol Biol (Noisy-le-grand) 1995 Feb;41(1):161-70.

Gaponiuk PIa, Perov IuF. [Electrode potentials of acupuncture needles made of different metals]. Vopr Kurortol Fizioter Lech Fiz Kult 1981 Jan-Feb;(1):46-9. (Rus).

Guo HF, Cui X, Hou Y, Tian J, Wang X, Han J. C-Fos proteins are not involved in the activation of preproenkephalin gene expression in rat brain by peripheral electric stimulation (electroacupuncture). Neurosci Lett 1996;207(3):163-6.

Guo HF, Tian J, Wang X, Fang Y, Hou Y, Han J. Brain substrates activated by electroacupuncture of different frequencies (I): comparative study on the expression of oncogene c-fos and genes coding for three opioid peptides. Brain Res Mol Brain Res 1996 Dec 31;43(1-2):157-66.

Guo HF, Tian J, Wang X, Fang Y, Hou Y, Han J. Brain substrates activated by electroacupuncture of different frequencies (II): role of Fos/Jun proteins in EA-induced transcription of preproenkephalin and preprodynorphin genes. Mol Brain Res 1996;43(1-2):167-73.

Hamba M, Toda K. Rat hypothalamic arcuate neuron response in electroacupuncture-induced analgesia. Brain Res Bull 1988;21(1):31-5.

Han JS. The neurochemical basis of pain relief by acupuncture. Beijing: Beijing Medical University; 1987.

Han JS, Chen XH, Sun SL, Xu XJ, Yuan Y, Yan SC, Hao JX, Terenius L. Effect of low- and high-frequency TENS on Met-enkephalin-Arg-Phe and dynorphin A immunoreactivity in human lumbar CSF. Pain 1991;47(3):295-8.

Han JS, Ding XZ, Fan SG. Is cholecystokinin octapeptide (CCK-8) a candidate for endogenous anti-opioid substrates? Neuropeptides 1985 Feb;5(4-6):399-402.

Han JS, Tang J, Ren MF, Zhou ZF, Fan SG, Qiu XC. Central neurotransmitters and acupuncture analgesia. Am J Chin Med 1980 Winter;8(4):331-48.

He L, Dong WQ, Wang M. Effects of iontophoretic etorphine and naloxone, and electroacupuncture on nociceptive responses from thalamic neurones in rabbits. Pain 1991;44(1):89-95.

He L, Wang M, Gao M, Zhou J. Expression of c-fos protein in serotonergic neurons of rat brainstem following electro-acupuncture. Acupunct Electrother Res 1992 Oct-Dec;17(4):243-8.

He X, Zhu B, Liu X, Zhang S, Xu W. [The extensiveness and specificity of analgesia of electroacupuncture (EA) at different points on the nociceptive responses of neuron in spinal dorsal horn]. Chen Tzu Yen Chiu 1993;18(4):271-5. (Chi).

Ho WKK, Wen HL. Opioid-like activity in the cerebrospinal fluid of pain patients treated by electroacupuncture. Neuropharmacology 1989;28(9):961-6.

Hoffmann B, Bar T. [The reactions of the skin surface temperature - a comparison between real and placebo laser acupuncture stimulation of LI 4.]. Dtsch Z Akupunkt 1994;37(2):28-32. (Ger).

Ionescu-Tirgoviste C, Pruna S, Iosif C, Ionescu L. Photophlethysmographic changes induced by skin stimulation using acupuncture. Am J Acupunct 1994;22(4):363-8.

Jessel-Kenyon J, Ni C, Blott B, Hopwood V. Studies with acupuncture using a SQUID bio-magnetometer: a preliminary report. Complement Med Res 1992;6(3):142-51.

Ji RR, Zhang ZW, Zhou Y, Zhang Q, Han JS. Induction of c-fos expression in the rostral medulla of rats following electroacupuncture stimulation. Int J Neurosci 1993 Oct;72(3-4):183-91.

Jing Z, Miaozhen W, Lianfang H. Coexistence of Fos protein and proopiomelanocortin mRNA in hypothalamic arcuate nucleus following electroacupuncture. Acupunct Electrother Res 1996;21(1):1-5.

Johnson IS. Complementary medicine. Acupuncture has weak scientific foundations [letter]. BMJ 1993 Sep 4;307(6904):624. Comment on: BMJ 1993 Jul 31;307(6899):326.

Johnson MI, Ashton CH, Marsh VR, Thompson JW, Weddell A, Wright-Honari S. The effect of transcutaneous electrical nerve stimulation (TENS) and acupuncture on concentrations of beta-endorphin, met-enkephalin and 5-HT in the peripheral circulation. Eur J Pain 1992;13(2):44-51.

Kaliuzhnyi LV, Fedoseeva OV. [Angiotensin mechanism of auriculo-acupuncture dental analgesia]. Biull Eksp Biol Med 1990 Jul;110(7):3-5. (Rus).

Kaliuzhnyi LV, Kozlov AIu. [Action of an enkephalinase blocker on the effect of acupuncture in acupuncture sensitive and resistant rabbits]. Biull Eksp Biol Med 1991 Dec;112(12):571-3. (Rus).

Kashiba H, Ueda Y. Acupuncture to the skin induces release of substance P and calcitonin gene-related peptide from peripheral terminals of primary sensory neurons in the rat. Am J Chin Med 1991;19(3-4):189-97.

Kawakita K, Miura T, Iwase Y. Deep pain measurement at tender points by pulse algometry with insulated needle electrodes. Pain 1991;44(3):235-9.

Kishioka S, Miyamoto Y, Fukunaga Y, Nishida S, Yamamoto H. Effects of a mixture of peptidase inhibitors (Amastatin, captopril and phosphoramidon) on met-enkephalin -, beta-endorphin-, dynorphin-(1-13)- and electroacupuncture-induced antinociception in rats. Jpn J Pharmacol 1994;66(3):337-45.

Komorowski JM, Reterski Z, Owczarczyk I. [Acupuncture therapy does not change metoclopramide-induced prolactin secretion in normoprolactinaemic galactorrhea syndrome]. Endokrynol Pol 1984;35(4):231-4. (Pol).

Kovacs FM, Gotzens V, Garcia A, Garcia F, Mufraggi N, Prandi D, Setoain J, San Roman F. Experimental study on radioactive pathways of hypodermically injected technetium-99m. J Nucl Med 1992 Mar;33(3):403-7.

Kumar A, Tandon OP, Dam S, Bhattacharya A, Tyagi KK. Brainstem auditory evoked response changes following electro-acupuncture therapy in chronic pain patients. Anaesthesia 1994;49(5):387-90.

Le Bars D, Villanueva L, Willer JC, Bouhassira D. Diffuse noxious inhibitory control (DNIC) in man and animals. Acupunct Med 1991;9(2):47-56.

Lee HS, Kim JY. Effects of acupuncture on blood pressure and plasma renin activity in two-kidney one clip Goldblatt hypertensive rats. Am J Chin Med 1994;22(3-4):215-9.

Lee JH, Beitz AJ. The distrubution of brain-stem and spinal cord nuclei associated with different frequencies of electroacupuncture analgesia. Pain 1993;52(1):11-28.

Li R, Yu YX. Spinal evoked potential P2 wave elicited by C fiber input and depressed by analgesic factors. Neuroreport 1991;2(4):205-7.

Li XY, Zhu CB, Zhu YH, Xu SF. Expressions of preproenkephalin mRNA during electroacupuncture analgesia enhanced by fenfluramine. Chung Kuo Yao Li Hsueh Pao 1995 Sep;16(5):431-4.

Liu J, Han Z, Chen S, Cao Q. [Influence of electroacupuncture on electrical activity of dorsal horn neurons of the thoracic spinal cord in the rabbit]. Chen Tzu Yen Chiu 1993;18(4):267-70. (Chi).

Liu JZ, Huang YH, Hand PJ. Effects of dexamethasone on electroacupuncture analgesia and central nervous system metabolism. Acupunct Electrother Res 1988;13(1):9-23.

Liu NJ, Bao H, Li N, Yu YX, Han JS. Cholecystokinin octapeptide reverses the inhibitory effect induced by electroacupuncture on C-fiber evoked discharges. Int J Neurosci 1996 Sep;86(3-4):241-7.

Lovacky S, Lodin Z, Tauber O, Zizkovsky V. Plasma beta endorphin and serum bombesin levels during acupuncture treatment of duodenal ulcer. Am J Acupunct 1990;18(2):105-10.

Lynn B, Perl ER. Acupuncture analgesia of the skin in relation to the traditional meridian map. J Physiol (Lond) 1975;245(2):83-5.

Malizia E, Andreucci G, Paolucci D, Crescenzi F, Fabbri A, Fraioli F. Electroacupuncture and peripheral beta-endorphin and ACTH levels [letter]. Lancet 1979 Sep 8;2(8141):535-6.

Mei L, Pu SF, Han JS. Effect of electroacupuncture tolerance by different frequencies on the opioid inhibition to cardiovascular activity in the spinal cord of rats. Neuropeptides 1994;26(4):221-4.

Mester E. [Biostimulative effect of laser beams]. Z Exp Chir 1982;15(2):67-74. (Ger)

Miaozhen W, Wenfeng X, Lianfang H. Mu opiate receptor antagonist blocks electroacupuncture inhibition on noxious blood pressure response in rabbits. Acupunct Electrother Res 1994;19(1):3-9.

Mori K. Explication of clinical effects of acupuncturer by adapting multivariate statistical analysis and image-technological methods: focusing on the relationship with stress-related diseases. World J Acupunct Moxibustion 1992 Dec;2(4):40-5.

Murray JB. Evidence for acupuncture's analgesic effectiveness and proposals for physiological mechanisms involved. J Psychol 1995;129(4):443-61.

Nezhentsev M, Aleksandrov S. Effect of naloxone on the antipyretic action of acupuncture. Pharmacology 1993;46(5):289-93.

Ohsawa H, Yamaguchi S, Ishimaru H, Shimura M, Sato Y. Neural mechanism of pupillary dilation elicited by electro-acupuncture stimulation in anesthetized rats. J Auton Nerv Syst 1997 Jun 6;64(2-3):101-6.

Okada K, Oshima M, Kawakita K. Examination of the afferent fiber responsible for the suppression of jaw-opening reflex in heat, cold, and manual acupuncture stimulation in rats. Brain Res 1996;740(1-2):201-7.

Pan B, Castro-Lopes JM, Coimbra A. Activation of anterior lobe corticotrophs by electroacupuncture or noxious stimulation in the anaesthetized rat, as shown by colocalization of Fos protein with ACTH and beta-endorphin and increased hormone release. Brain Res Bull 1996;40(3):175-82.

Pan B, Castro-Lopes JM, Coimbra A. C-fos expression in the hypothalamo-pituitary system induced by electroacupuncture or noxious stimulation. Neuroreport 1994;5(13):1649-52.

Panerai AE, Abbate A, Villani R, De Benedittis G. B-endorphin (B-E) and B-lipotropin (B-LPH) in chronic pain and electroacupuncture. Pain 1981;10 Suppl 1:S180.

Peng CH, Yang MM, Kok SH, Woo YK. Endorphin release: a possible mechanism of acupuncture analgesia. Comp Med East West 1978 Spring;6(1):57-60.

Pinter E, Szolcsanyi J. Systemic anti-inflammatory effect induced by antidromic stimulation of the dorsal roots in the rat. Neurosci Lett 1996;212(1):33-6.

Pomeranz B. Acupuncture and TENS in rats and humans. Acupunct Electrother Res 1987;12(3-4):256.