Palmer, R G Thioguanine-resistant mutations induced by cytotoxic drugs in lymphocytes of patients with connective tissue diseases. [electronic resource] - British journal of rheumatology Nov 1986 - 376-9 p. digital Publication Type: Journal Article ISSN: 0263-7103 Standard No.: 10.1093/rheumatology/25.4.376 doi Subjects--Topical Terms: Azathioprine--adverse effectsChlorambucil--adverse effectsConnective Tissue Diseases--drug therapyCyclophosphamide--adverse effectsDrug ResistanceHumansHypoxanthine Phosphoribosyltransferase--geneticsImmunosuppressive Agents--adverse effectsLymphocytes--drug effectsMutation