00423nam a2200157Ia 4500001001100000005001700011008004400028020001500072245007500087260002300162300001000185650001800195650002000213650001700233999001500250000002159020251012174642.0         1994    sz                       c  a924156170X10aChallenges in reproductive health research: biennial report 1992-1993   aGeneva: WHOc1994   a202p.00aCONTRACEPTION00aFAMILY PLANNING00aREPRODUCTION  c8089d8089