TY - JOUR T1 - Evaluation of the results of surgery to correct congenital ptosis of the upper eyelid JF - Canadian Medical Association Journal JO - CMAJ SP - 1172 LP - 1177 VL - 94 IS - 22 AU - Y. Dayal AU - J. S. Crawford Y1 - 1966/05/28 UR - http://www.cmaj.ca/content/94/22/1172.abstract ER -