Higher preconception maternal and paternal vitamin B12 was tied to fewer birth defects in a Shanghai cohort of 3032 couples.
|Articles|January 1, 2004
Varicoceles in adolescents: When to observe, when to intervene
Some varicoceles that appear during adolescence impair fertility later on; most do not. How do you decide which ones to refer for treatment? And what treatments are most effective?
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