title: Unnatural selection of cultured human ES cells?
authors.forename: Martin F
authors.initials: MF
authors.lastname: Pera
mesh_terms: D000818:Animals; D018929:Cell Culture Techniques / Q000379:methods; D002478:Cells, Cultured; D002869:Chromosome Aberrations; D004622:Embryo, Mammalian / Q000166:cytology*; D006801:Humans; D007621:Karyotyping; D013048:Specimen Handling; D013234:Stem Cells / Q000166:cytology*; D013997:Time Factors