Cataract surgery.
Wormald
R P
RP
Foster
A
A
D000368:Aged; D002387:Cataract Extraction / Q000009:adverse effects / Q000592:standards* / Q000706:statistics & numerical data; D002983:Clinical Competence; D006801:Humans; D013222:State Medicine / Q000592:standards; D006113:United Kingdom