Evans M L, Holzgreve W, Johnson M P, Gänshirt D, Sokol R J
Department of Obstetrics/Gynecology, Hutzel Hospital/Wayne State University School of Medicine, Detroit, Michigan 48201.
Ann N Y Acad Sci. 1994 Sep 7;731:257-61. doi: 10.1111/j.1749-6632.1994.tb55780.x.