Design options and sources of bias in time-to-pregnancy studies. (Q52912012)
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scientific article published in January 1999
Language | Label | Description | Also known as |
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English | Design options and sources of bias in time-to-pregnancy studies. |
scientific article published in January 1999 |
Statements
Design options and sources of bias in time-to-pregnancy studies. (English)
Olsen J
1 January 1999
25 Suppl 1
5-7; discussion 76-8