Case records of the Massachusetts General Hospital. Case 39-2011. A woman in her 90s with unilateral ptosis.
Venna N, Gonzalez RG, Zukerberg LR. Case records of the Massachusetts General Hospital. Case 39-2011. A woman in her 90s with unilateral ptosis. N Engl J Med. 2011 Dec 22; 365(25):2413-22.