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Comment
. 1993 Oct 16;307(6910):1003.
doi: 10.1136/bmj.307.6910.1003-a.

Natural family planning. Couples take chances

C Huezo, R Kleinman, R Walder
Comment

Natural family planning. Couples take chances

C Huezo et al. BMJ. .
No abstract available

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References

    1. BMJ. 1993 Sep 18;307(6906):723-6 - PubMed