297,382 ABSTRACTS Abstracts : scientific papers to be presented at the forty-second Annual Meeting of the American Fertility Society and the eighteenth Annual Meeting of the Canadian Fertility and Andrology Society, September 27 to October 2, 1986 Toronto, Canada : [program supplement]. - Birmingham : The American Fertility Society, 1986. — [2], XXIV, 135, [1] s. ; 28 cm