A prediction model for selecting patients undergoing in vitro fertilization for elective embryo transfer. - Hanault,C.C.; Eijkemans,M.JC.; Pieters,M.HEC.; te Velde,E.R.; Habbema,J.DF.; Fauser,B.CJM.; Macklon,N.S. (Fertil Steril, 2002)