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Comment
. 2003 Nov;80(5):1291-2; author reply 1292-3.
doi: 10.1016/s0015-0282(03)02196-4.

Differing results for efficacy--sampling bias or purposive sampling?

Francesco Mercorio
Free article
Comment

Differing results for efficacy--sampling bias or purposive sampling?

Francesco Mercorio. Fertil Steril. 2003 Nov.
Free article
No abstract available

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