Drury K C, Schalue T K, Pitcher G F, Kipersztok S, Williams R S, Konicek J R
Department of Obstetrics and Gynecology, University of Florida College of Medicine, Gainesville 32610, USA.
J Assist Reprod Genet. 1996 Nov;13(10):797-800. doi: 10.1007/BF02066501.