title: Clone size variation in the human diploid cell strain, WI-38.
mesh_terms: D002455:Cell Division / Q000187:drug effects; D002460:Cell Line; D002478:Cells, Cultured; D002999:Clone Cells; D003470:Culture Media; D006801:Humans; D008168:Lung; D013997:Time Factors; D014357:Trypsin / Q000494:pharmacology
chemical_list: D003470:Culture Media; D014357:Trypsin