00676mam a2200193 a 4500020001500000082001600015100000800031245006300039250000800102260004500110300002300155490003600178500013800214650002800352650003500380650003500415650001700450654001500467  a9241208775  a616.12bWHO  aWHO00aCardiovascular disease and steroid hormone contraception :  aNil  aGeneva bWorld Health Organizationc1998  avii, 89 p. bill. 1 aWHO Technical report series,877  aReport of a WHO Scientific Group on Cardiovascular Disease and Steroid Hormone Contraception, which met in Geneva, 3-7 November 1997. 2aCardiovascular Diseases 2aContraceptives, Oral, Combined 2aContraceptives, Oral, Hormonal 2aRisk Factors  aCardiology