TY  - RPRT
TI  - Cataract in developing countries.
AU  - D Yorston
AU  - A Foster
PY  - 1992
DO  - 10.1136/bmj.305.6846.183-b
UR  - https://pubmed.ncbi.nlm.nih.gov/1515850/
ID  - 1515850
ER  -