REFERENCES
- Ali M.B., Mohamed A.H., Bashir A.K, and Salih A.M. (1992) Pharmacological investigation on H. tubercula- tum. Int. J .Pharmacog. 30: 39–45.
- Boulus J. (1983) Medicinal Plants of North Africa. pp. l55-158. Reference Publications Inc, Michigan,
- Brown C.M., Mc Grath J.C. and Summers R.J. (1979) The effect of adrenoceptor agonists and antaonists on re- sponses of transmurally stimulated prostatic and epidi- dymal portions of isolated vas deference of the rat. Br. J. Pharm. 66: 553–564.
- Furchgott R.F. and Bhadrakom S. (1953) Reactions of strips of rabbit aorta to epinephrine, isopropyl arterenol, so- dium nitrate and other drugs. J. Pharmac. Exp. Ther. 108: 129–143.
- Gaddum J.H. (1953) The technique of superfusions. Br. J. Pharm. 8: 321–326.
- Gillespie J.S. (1972) The rat anococcygeus muscle and its response to nerve stimulation and to some drugs. Br. J. Pharm. 45: 404–416.
- Hammarstrom M. and Sjostrand N.O. (1984) Intimacy of the neuroeffector junction and resistance to α-adreno- ceptor blockade of the neurogenic contractile response in vas deferentia from guinea pig and rat. Act. Physiol. Scand. 122: 465–474.
- Kitchen I. (1984) Textbook of in vitro Practical Pharma- cology, 86-100, 107-111, 113-114. Blackwell Scientif- ic Publication, Oxford.
- McGrath J.C. (1977) Adrenergic motor response to single pulse stimulation in the rat vas deferens. J. Physiol. (Lond.). 270: 52P-53P.