1) Kumar, K. J., Kumar, M. S., Kumar, T. S., & Chavan, A. (2015). Diffuse scalp hair loss due to levothyroxine overdose. Indian dermatology online journal, 6(Suppl 1), S58–S60.
2) Freinkel RK, Freinkel N. Hair Growth and Alopecia in Hypothyroidism. Arch Dermatol. 1972;106(3):349–352. doi:10.1001/archderm.1972.01620120037007
3) Nina van Beek, Enikő Bodó, Arno Kromminga, Erzsébet Gáspár, Katja Meyer, Michal A. Zmijewski, Andrzej Slominski, Björn E. Wenzel, Ralf Paus, Thyroid Hormones Directly Alter Human Hair Follicle Functions: Anagen Prolongation and Stimulation of Both Hair Matrix Keratinocyte Proliferation and Hair Pigmentation, The Journal of Clinical Endocrinology & Metabolism, Volume 93, Issue 11, 1 November 2008, Pages 4381–4388