Levothyroxine Pseudomalabsorption and Thyroxine Absorption Testing with Use of High-Dose Levothyroxine: Case Report and Discussion

Replacement Dose, Metabolism, and Bioavailability of Levothyroxine in the Treatment of Hypothyroidism

Lisa H. Fish, Harold L. Schwartz, John H. Cavanaugh et al. · New England Journal of Medicine · 1987 · 361 citations

Pharmacy, Pharmacology, Pharmacotherapy +14

Ferrous Sulfate Reduces Thyroxine Efficacy in Patients with Hypothyroidism

Norman R.C. Campbell, Brian B. Hasinoff, Helga Stalts et al. · Annals of Internal Medicine · 1992 · 233 citations

Medicine, Endocrinology, Pharmacotherapy +12

Delayed Intestinal Absorption of Levothyroxine

Salvatore Benvenga, L. Bartolone, S. Squadrito et al. · Thyroid · 1995 · 159 citations

Medicine, Endocrinology, Pharmacology +13

Aspects of the absorption of oral L-thyroxine in normal man

Klaus Wenzel, Hans E. Kirschsieper · Metabolism · 1977 · 150 citations

Pharmacy, Clinical Pharmacokinetics, Pharmacokinetics +12

Effect of Proton Pump Inhibitors on Serum Thyroid-Stimulating Hormone Level in Euthyroid Patients Treated with Levothyroxine for Hypothyroidism

Issac Sachmechi, David Reich, Michael Aninyei et al. · Endocrine Practice · 2007 · 113 citations

Pharmacy, Endocrinology, Pharmacotherapy +12