TY - GEN AU - World Health Organization. ED - WHO Scientific Group on the Clinical Aspects of Oral Gestogens (1965 : Geneva). TI - Clinical aspects of oral gestogens : report of a WHO Scientific Group [meeting held in Geneva from 30 November to 6 December 1965] T2 - (WHO technical report series ; 326) PY - 1966/// CY - Geneva : PB - World Health Organization KW - Contraceptives, Oral ER -