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P735 Contraceptive efficacy of a combined oral contraceptive containing ethinylestradiol 20 mcg/drospirenone 3 mg administered in 24/4 regimen: a pooled analysis of four, open‐label studies
Author(s) -
Anttila L.,
Kunz M.,
Marr J.
Publication year - 2009
Publication title -
international journal of gynecology and obstetrics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.895
H-Index - 97
eISSN - 1879-3479
pISSN - 0020-7292
DOI - 10.1016/s0020-7292(09)62226-8
Subject(s) - drospirenone , medicine , ethinylestradiol , regimen , gynecology , desogestrel , family planning , family medicine , population , research methodology , environmental health