Tumor subpopulation interactions in neoplasms.
D000818:Animals; D002450:Cell Communication; D002455:Cell Division; D002460:Cell Line; D002999:Clone Cells; D006801:Humans; D009369:Neoplasms / Q000473:pathology / Q000503:physiopathology*; D009374:Neoplasms, Experimental / Q000473:pathology / Q000503:physiopathology