TY - BOOK AU - World Health Organization TI - Challenges in reproductive health research: Biennial report 1992-1993 SN - 92-4-156170-x U1 - 612.6 PY - 1994/// CY - Geneva PB - World Health Oraganization KW - WHO KW - Human physiology N1 - Gift; WHO, human physiology, health standards ER -