TY - BOOK AU - Van look,P AU - Griffin,P TI - Challenges in reproductive health research: Biennial report 1992-1993 SN - 924156170X AV - MED REF QR261 .W67 PY - 1994/// CY - Geneva PB - World health organization KW - Health research KW - challenge in reproductive health research N1 - includes index ER -