title: Unexpected artifacts raise new caution in stem cell culture research.
authors.forename: Hyam L
authors.initials: HL
authors.lastname: Leffert
authors.forename: Stewart
authors.initials: S
authors.lastname: Sell
mesh_terms: D000818:Animals; D016477:Artifacts; D018929:Cell Culture Techniques / Q000379:methods* / Q000592:standards; D013234:Stem Cells / Q000166:cytology* / Q000502:physiology*