TY  - RPRT
TI  - Involutional ptosis.
AU  - J R Collin
PY  - 1986
DO  - 10.1111/j.1442-9071.1986.tb00020.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3801202/
ID  - 3801202
ER  -