Umbach, G E Testing methotrexate sensitivity of human malignancies in the human tumour stem cell assay. [electronic resource] - Clinical oncology Jun 1984 - 189-90 p. digital Publication Type: Comparative Study; Letter ISSN: 0305-7399 Subjects--Topical Terms: Colony-Forming Units AssayFalse Negative ReactionsHematopoietic Stem Cells--drug effectsHumansMethotrexate--pharmacologyTumor Stem Cell Assay