PubMed · 2008739
[Contraceptive methods and their efficiency].
Abstract
On the basis of the present investigations concerning the employment of contraceptive methods in Denmark and the knowledge of the efficacies of these methods, the annual number of legal terminations of pregnancy performed in Denmark are assessed. A considerable proportions of the unwanted pregnancies may be explained by defective high efficacy of the contraceptive methods employed.
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M Osler. 1991-02-18. [Contraceptive methods and their efficiency].. https://pubmed.ncbi.nlm.nih.gov/2008739/
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