- https:
//www.humanitas.it/malattie/ptosi-della-palpebra/ - https:
//www.mda.org/disease/myasthenia-gravis/signs-and-symptoms - https:
//www.myastheniagravis.org/about-mg/symptoms/ - Pavone P, Cho SY, Praticò AD, Falsaperla R, Ruggieri M, Jin DK. Ptosis in childhood: A clinical sign of several disorders: Case series reports and literature review. Medicine (Baltimore). 2018 Sep;97(36):e12124. doi: 10.1097/MD.0000000000012124. PMID: 30200099; PMCID: PMC6133583.