@misc{indiciaed4a1de06b589, title = {Involutional ptosis.}, author = {J R Collin}, year = {1986}, doi = {10.1111/j.1442-9071.1986.tb00020.x}, url = {https://pubmed.ncbi.nlm.nih.gov/3801202/}, note = {Source identifier: 3801202} }