00437nam a2200157Ia 4500008004100000082001700041100002200058245003300080260004500113300000800158650002100166650003400187653002000221700002000241700001800261170901s1980    xx            000 0 und d  a613.94bC83R  aCunningham, G. R. 0aRegulation Of Male Fertility  aHaguebMartinus Nijhoff Publishersc1980  a234  aMedical sciences  aTechnology (Applied sciences)  aHuman fertility  aHafez, E. S. E.  aSchill, W. B.