Fleming, J J An audit of total and free thyroxine measurements in screening for hypo and hyperthyroidism in patients using chemiluminescence immunoassay. [electronic resource] - Indian journal of clinical biochemistry : IJCB Jan 2001 - 95-100 p. digital Publication Type: Journal Article ISSN: 0970-1915 Standard No.: 10.1007/BF02867575 doi