1. Has the fertility of Danish men declined through the years in terms of semen quality? A comparison of semen qualities between 1952 and 1972;Bostofte;Int J Fertil,1983
2. Phthalate esters and semen quality parameters;Murature;Biomed Environ Mass Spectrom,1987
3. An evaluation of human sperm as indicators of chemically induced alterations of spermatogenic function. A report of the U.S. Environmental Protection Agency Gene-Tox Program;Wyrobek;Mutat Res,1983
4. Semen analysis;Eliasson;Environ Health Perspect,1978