804,061 CHALLENGES Challenges in reproductive health research : biennial report 1992-1993 / ed. by J. Khanna, P.F.A. Van Look, P.D. Griffin ; UNDP/UNFPA/WHO/World Bank Special Programme on Research, Development and Research Training in Human Reproduction. - Geneva : World Health Organization, 1994. - [2], 202, [1] s. : il. , wykr. ; 30 cm ISBN 92-4-156170-X