Jain, Deepak, et al. “A Case Report on Severe Hypothyroidism Associated With Complete Bilateral Ptosis: A Rare Presentation”. Journal of the ASEAN Federation of Endocrine Societies, vol. 31, no. 1, May 2016, p. 65, https://asean-endocrinejournal.org/index.php/JAFES/article/view/314.