The timing of the “fertile window” in the menstrual cycle: day specific estimates from a prospective study

BMJ 2001; 322 doi: (Published 06 January 2001) Cite this as: BMJ 2001;322:28

In the acknowledgment at the end of this paper by Allen J Wilcox and colleagues (18 November, pp 1259-62) the final part of the URL for accessing further details on the analysis was missing. The correct URL is


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