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Literature DB >> 8257903

Natural family planning. Unplanned pregnancy rates declining.

Abstract

Source DB: PubMed Journal: BMJ ISSN： 0959-8138

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2 in total

Authors: R T Kambic
Journal: Am J Obstet Gynecol Date: 1991-12 Impact factor: 8.661

Authors: R E Ryder
Journal: BMJ Date: 1993-09-18

2 in total