Different sex ratios at birth in Europe and North America. Maternal cytomegalovirus seropositivity affects sex determination

Shields, M.D.; O'Hare, B.; Nelson, J.; Stewart, M.C.; Coyle, P.

Bmj 325(7359): 334

2002


ISSN/ISBN: 0959-8138
PMID: 12173615
Document Number: 551503

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