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Efficacy of ethinylestradiol 20 µg/drospirenone 3 mg in a flexible extended regimen in women with moderate-to-severe primary dysmenorrhoea: an open-label, multicentre, randomised, controlled study
- Correspondence to Dr Jörg Elliesen, Bayer HealthCare Pharmaceuticals, Müllerstrasse 178, D-13353 Berlin, Germany; joerg.elliesen{at}bayer.com
Citation
Efficacy of ethinylestradiol 20 µg/drospirenone 3 mg in a flexible extended regimen in women with moderate-to-severe primary dysmenorrhoea: an open-label, multicentre, randomised, controlled study
Publication history
- Received September 23, 2011
- Accepted February 6, 2012
- First published March 27, 2012.
Online issue publication
July 08, 2020
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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions This paper is freely available online under the BMJ Journals unlocked scheme, see http://jfp.bmj.com/info/unlocked.dtl