Decreasing sperm quality: a global problem?

BACKGROUND: Carlsen and coworkers (1992) reviewed 61 heterogeneous observational studies on semen quality published between 1938 and 1990. This review indicates that mean sperm density decreased significantly between 1940 and 1990. An extended meta-analysis with 101 studies confirmed a decline in sp...

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Detalles Bibliográficos
Autores principales: Merzenich, Hiltrud, Zeeb, Hajo, Blettner, Maria
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2010
Materias:
Debate
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2818620/
https://www.ncbi.nlm.nih.gov/pubmed/20085639
http://dx.doi.org/10.1186/1471-2458-10-24

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2818620/
https://www.ncbi.nlm.nih.gov/pubmed/20085639
http://dx.doi.org/10.1186/1471-2458-10-24

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