TY  - RPRT
TI  - Pterygium: a geographical study.
AU  - R Detels
AU  - S P Dhir
PY  - 1967
DO  - 10.1001/archopht.1967.00980030487014
UR  - https://pubmed.ncbi.nlm.nih.gov/6046844/
ID  - 6046844
ER  -