Semen analysis in fertile patients undergoing vasectomy: reference values and variations according to age, length of sexual abstinence, seasonality, smoking habits and caffeine intake
CONTEXT AND OBJECTIVE: Recent studies have shown regional and population differences in semen characteristics. The objective was to establish reference values for semen analysis and to verify the effect that age, length of sexual abstinence, seasonality, smoking habits and coffee consumption have on...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Associação Paulista de Medicina
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Series: | São Paulo Medical Journal |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-31802005000400002&lng=en&tlng=en |