title: Clonal heterogeneity of tumor may be due to continuous influx of newly transformed cells.
authors.affiliation: Laboratory of Tumor Biochemistry, Institute of Carcinogenesis, Cancer Research Center, Moscow, Russia. alicht@online.ru
authors.forename: Anatoly V
authors.initials: AV
authors.lastname: Lichtenstein
mesh_terms: D002455:Cell Division; D002471:Cell Transformation, Neoplastic; D018740:Genetic Heterogeneity; D006801:Humans; D009369:Neoplasms / Q000235:genetics* / Q000473:pathology*