The Gambian Eye Care Program.
Obstbaum
Stephen A
SA
D001766:Blindness / Q000191:economics* / Q000517:prevention & control*; D017281:Cost of Illness; D003362:Cost-Benefit Analysis; D005714:Gambia / Q000453:epidemiology; D017048:Health Care Costs; D006801:Humans; D015397:Program Evaluation / Q000191:economics*