Savage, Richard A Subclinical hypothyroidism. Risk factor for heart disease for over 40 years. [electronic resource] - BMJ (Clinical research ed.) Oct 2010 - c5990 p. digital Publication Type: Letter ISSN: 1756-1833 Standard No.: 10.1136/bmj.c5990 doi Subjects--Topical Terms: Coronary Disease--etiologyHumansHypothyroidism--complicationsRisk Factors