The hemizona assay (HZA): development of a diagnostic test for the binding of human spermatozoa to the human hemizona pellucida to predict fertilization potential - Burkman,L.J.; Coddington,C.C.; Franken,D.R.; Krugen,T.F.; Rosenwaks,Z.; Hogen,G.D. (Fertil Steril, 1988)