Peter North - enorme sborrata
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3 anni fa
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"The WHO 2010 manual provides semen values obtained from 1953 fertile men as the reference limits for fertility. The following one-sided lower reference limits, the fifth centiles (with 95% confidence intervals), were generated from men whose partners had time to pregnancy <12 months: semen volume, 1.5 ml (1.4–1.7 ml)..."