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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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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2010
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2818620/ https://ncbi.nlm.nih.gov/pubmed/20085639 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2458-10-24 |
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