TY - JOUR T1 - The interference of heterophile antibodies in free thyroxine immunoassay JF - Clinical Medicine JO - Clin Med SP - 52 LP - 52 DO - 10.7861/clinmedicine.19-2-s52 VL - 19 IS - Suppl 2 AU - Kate Tilley AU - Andrew Collier Y1 - 2019/03/01 UR - http://www.rcpjournals.org/content/19/Suppl_2/52.abstract ER -