References
- Akah PA, Orisakwe OE, Gamaniel KS, Shittu A (1998): Evalu-ation of Nigerian traditional medicines: II Effects of some Nigerian folk remedies on peptic ulcer. J Ethnopharmacol 62: 123–127.
- Dharmasiri MG, Thabrew MI, Ratnasooriya WD (2000): Anti-inflammatory effects of Anisomeles indica. Phytomedicine Supp II: 97.
- Dharmasiri MG (2001): A pharmacological and toxicological evaluation of a decoction of leaves and stems of the medi-cinal plant, Anisomeles indica. M. Phil. Thesis submitted to the University of Colombo, Colombo 3, Sri Lanka.
- Farnsworth NR (1966): Biological and phytochemical screening of plants. J Pharm Sci 55: 225–276.
- File SE, Wardill A (1975): Validity of head-dipping as a measure of exploration in modified hole-board. Psychopharmacol-ogy 44: 53–57.
- Ganong WF (1995): Review of Medical Physiology, 17 edn. Prentice-Hall International Inc., Toronto, 130 p.
- Gracioso SJ, Paulo MQ, Hirumalima CA, Brito ARMS (1998): Antinociceptive effect in mice of a hydroalcoholic extract of Neurolaena lobata (L) R. Br. and its organic fractions. J Pharm Pharmacol 50: 1425–1429.
- Ghai CL (1993): A Text Book of Practical Physiology 4th edn. Jaypee Brothers Medical Publishers (P) Ltd. New Delhi, India, 130-150 pp.
- Hough LB, Nalwalk JW, Leurs R, Menge WMPB, Timmerman H (1999): Antinociceptive activity of impentamine, a histamine congener, after CNS administration. Life Sci 64: 79–86.
- Hsu H, Lin C, Chen J, Yang J, Zhang R (1998): Toxic effects of Erycibe obtusifolia, a Chinese medicinal herb, in mice. J Ethnopharmacol 62: 101–105.
- Jayaweera DMA (1981): Medicinal Plants Used in Ceylon III. National Science Council of Sri Lanka, Colombo, 109 pp.
- Kavaliers M, Irmes DGL (1993): Sex differences in naloxone and Try-MW-1-induced hypoalgesia. Pharmacol Biochem Behav 46: 777–780.
- Langerman L, Zakouski MI, Piskoun B, Grant GJ (1995): Hot plate versus tail flick evaluation of acute tolerance to con-tinuous morphine infusion in the rat model. J Pharmacol Toxicol Meth 34: 23–28.
- Laurence DR, Bennett PN (1992): Clinical Pharmacology, 7th edn. Churchill Livingstone, New York, 88 p.
- Lindsey K, Jager AK, Raidoo DM, Staden JV (1999): Screen-ing of plants used by South African traditional healers in the treatment of dysmenorrhoea for prostaglandin-synthesis inhibitors and uterine relaxing activity. J Ethnapharmacol 64: 9–14.
- Penn RG (1988): Adverse reactions to herbal medicines. Australian Prescriber 2: 15–18.
- Perez RM, Perez S, Zavala HA, Salazar M (1995): Anti-inflammatory activity of the bark of Hippocratea excelsa. J Ethnopharmacol 47: 85–90.
- Perusquia M, Ibanez-Camacho R, Rubio-Poo C, Lemini C (1993): Chemical structure of coumarins and their effects on uterine contractility. Med Sci Res 21: 661–663.
- Plaznic A, Stefanski R, Palejko W, Kotawski W (1993): The role of accumbense GABA-B receptors in the regulation of rat behaviour. Neurosci Res Comm 12: 23–30.
- Puntero BF, Peinado II, del Fresno AMV (1997): Anti-inflammatory and antiulcer activity of Teucrium buxifolium. J Ethnopharmacol 55: 93–98.
- Rang HP, Dale MiM, Ritter JM (1995): Pharmacology. Churchil Livingstone: London.
- Ratnasooriya WD, Lokupitiya EYK, Dharmasiri MG (1999): Analgesia and sedation induced by Mucuna prurita in rats. Med Sci Res 27: 403–406.
- Ratnasooriya WD, Dharmasiri MG (1999): Water extract of leaves and stems of Psychotria sarmentosa has analgesic and antihyperalgesic activity in rats. Med Sci Res 27: 715–718.
- Richardson JD, Aanosen L, Hargreaves KM (1998): Antihyper-algesic effects of spinal carmabinoids. Eur J Pharmacol 345: 145–153.
- Uguru MO, Okwuasaba FK, Ekwenchi EE, Uguru VE (1998): Uterotonic properties of the methanol extract of Monechma ciliatum. J Ethnopharmacol 62: 203–208.