TY - RPRT TI - Early cleavage is a valuable addition to existing embryo selection parameters: a study using single embryo transfers. AU - Aafke P A Van Montfoort AU - John C M Dumoulin AU - Arnold D M Kester AU - Johannes L H Evers PY - 2004 DO - 10.1093/humrep/deh385 UR - https://pubmed.ncbi.nlm.nih.gov/15243008/ ID - 15243008 ER -