Simona Grozinsky-Glasberg, Abigail Fraser, Ethan Nahshoni, Abraham Weizman and Leonard Leibovici (7 februari 2006). ”Thyroxine-Triiodothyronine Combination Therapy Versus Thyroxine Monotherapy for Clinical Hypothyroidism: Meta-Analysis of Randomized Controlled Trials”. The Journal of Clinical Endocrinology and Metabolism "91" (7): ss. 2592–2599. doi:10.1210/jc.2006-0448. PMID 16670166.
Simona Grozinsky-Glasberg, Abigail Fraser, Ethan Nahshoni, Abraham Weizman and Leonard Leibovici (7 februari 2006). ”Thyroxine-Triiodothyronine Combination Therapy Versus Thyroxine Monotherapy for Clinical Hypothyroidism: Meta-Analysis of Randomized Controlled Trials”. The Journal of Clinical Endocrinology and Metabolism "91" (7): ss. 2592–2599. doi:10.1210/jc.2006-0448. PMID 16670166.