Epidemiología y Salud Pública
University of Cologne
Colonia, AlemaniaPublications en collaboration avec des chercheurs de University of Cologne (2)
2015
2007
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The effectiveness of a fertility awareness based method to avoid pregnancy in relation to a couple's sexual behaviour during the fertile time: A prospective longitudinal study
Human Reproduction, Vol. 22, Núm. 5, pp. 1310-1319