00409nam a2200145Ia 4500008004100000082001700041100002900058245005100087250000600138260003800144300000800182650002100190650003400211653001800245170901s1924    xx            000 0 und d  a613.94bS84C  aStopes, Marie Carmichael 0aContraceptionbIt theory, History and Practice  a1  aLondonbJohn Wiley and Sonsc1924  a418  aMedical sciences  aTechnology (Applied sciences)  aBirth control