514,098 CHANG C.C. /współaut./ Pharmacology of the endocrine system and related drugs : progesterone,progestational drugs and antifertility agents. Oxford 1972 Pergamon Press 8° International Ecyclopedia of Pharmacology and Therapeutics, sec.48. Vol.2.contrib.s C.C.Chang,/i in./ s. XIV, nlb.4, 538, tabl.5, ilustr.