Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleWhen three is a crowd: on keeping outsiders out!AuthorsAlbertini, DavidSubjectsHUMAN embryology; EMBRYOLOGISTS; HUMAN in vitro fertilization; OVUM; HUMAN genome; SPERMATOZOA analysisPublicationJournal of Assisted Reproduction & Genetics, 2015, Vol 32, Issue 5, p663ISSN1058-0468Publication typeEditorialDOI10.1007/s10815-015-0497-z