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Oxford University Press‎(1998)‎

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By Sivin I.   in Drug Safety

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Adis International‎(2003)‎

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By Sivin I.   Croxatto H.   Bahamondes L.   Brache V.   Alvarez F.   Massai R.   Schechter J.   Ranta S.   Kumar N.   Wu E.   Tejeda A.S.   Reyes V.   Travers E.   Allen A.   Moo-Young A.   in Contraception

ISSN:0010-7824|69|2|137-144

Elsevier‎(2004)‎

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