por Porter, John C [editor] | Jezova, Daniela [editor].
por Li, Choh Hao, 1913 [autor].
por Li, Choh Hao.
por Ewing, Larry L [editor] | Robaire, Bernard [editor] | New York Academy of Sciences | Johns Hopkins University. School of Hygiene and Public Health | National Institute of Child Health and Human Development (Estados Unidos) | Testis Workshop (10 : 1988 : Baltimore, Maryland).