RT Journal Article SR Electronic T1 Are we overusing thyroid function tests? JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 404 OP 404 DO 10.3399/bjgp13X670589 VO 63 IS 613 A1 Alexander Werhun A1 William Hamilton YR 2013 UL http://bjgp.org/content/63/613/404.1.abstract AB