Browsing School of Medicine (MU) by Title "The Question of Declining Sperm Density Revisited: An Analysis of 101 Studies Published 1934-1996"
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(National Institute of Environmental Health Sciences, 2000-10)In 1992 Carlsen et al. reported a significant global decline in sperm density between 1938 and 1990. We subsequently published a reanalysis of the studies included by Carlsen et al. In that analysis we found significant ...