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    • Environmental Organochlorines and Semen Quality: Results of a Pilot Study 

      Hauser, Russ B.; Altshul, Larisa M.; Chen, Zuying; Ryan, Louise Marie; Overstreet, James; Schiff, Isaac; Christiani, David C. (National Institute of Environmental Health Sciences, 2002)
      There have been numerous studies that suggest that sperm concentrations (sperm counts) are declining in men. However, other studies suggest that sperm counts are not declining or may be increasing in some areas. Although ...