In vitro studies of cell proliferation in tumours. I. Critical appraisal of methods and theoretical considerations.
D046508:Culture Techniques; D006801:Humans; D009369:Neoplasms / Q000378:metabolism*; D013048:Specimen Handling; D013936:Thymidine; D014316:Tritium / Q000378:metabolism*
D014316:Tritium; D013936:Thymidine