Evidence-Based Use of Levothyroxine/Liothyronine Combinations in Treating Hypothyroidism: A Consensus Document. - Jonklaas J; Bianco AC; Cappola AR; Celi FS; Fliers E; Heuer H; McAninch EA; Moeller LC; Nygaard B; Sawka AM; Watt T; Dayan CM (Thyroid : official journal of the American Thyroid Association, 2021)