Geographic variations in sperm counts: A potential cause of bias in studies of semen quality

Fertility and Sterility

Volumn 65, Issue 5, 1996, Pages 1044-1046

  Fisch, H ^a   Goluboff, E T ^a  

^a New York State Psychiat Inst and New York Presbyterian Hospital Columbia University Medical Center   (United States)

Author keywords

geographic variation; Sperm counts

Indexed keywords

ARTICLE; CLINICAL TRIAL; DATA ANALYSIS; ENVIRONMENTAL FACTOR; GEOGRAPHIC DISTRIBUTION; HUMAN; HUMAN CELL; MAJOR CLINICAL STUDY; MALE; MALE FERTILITY; META ANALYSIS; PRIORITY JOURNAL; SEMEN ANALYSIS; SPERMATOZOON COUNT; UNITED STATES;

EID: 0029919777     PISSN: 00150282     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0015-0282(16)58284-3     Document Type: Article

References (6)

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2. I.S. Tummon D. Mortimer Decreasing quality of semen Br Med J 305 1992 1228 1229
3. A. Brake W. Krause Decreasing quality of semen Br Med J 305 1992 1498
4. G.W. Olsen K.M. Bodner J.M. Ramlow C.E. Ross L.I. Lipshultz Have sperm counts been reduced 50 percent in 50 years? A statistical model revisited Fertil Steril 63 1995 887 893
5. J. Macleod Y. Wang Male fertility potential in terms of semen quality: a review of the past, a study of the present Fertil Steril 31 1979 103 116
6. K.D. Smith E. Steinberger What is oligospermia? P. Troen H.R. Nankin The testis in normal and infertile Men 1977 Raven Press New York 489 503