Cataract.
Yorston
David
D
International Centre for Eye Health, London School of Hygiene & Tropical Medicine, Keppel Street, London WC1E 7HT, UK. dhyorston@enterprise.net
Limburg
Hans
H
D001766:Blindness / Q000209:etiology* / Q000517:prevention & control*; D002386:Cataract / Q000150:complications / Q000453:epidemiology*; D002387:Cataract Extraction / Q000191:economics; D014943:Global Health; D006285:Health Planning; D006801:Humans