B Thylefors. Show Affiliations »
Abstract
Entities: Disease
Mesh: See more » Blindness/prevention & controlCataract/prevention & controlDeveloping CountriesHumansOnchocerciasis/prevention & controlTrachoma/prevention & controlVitamin A Deficiency/prevention & control
Year: 1985 PMID: 4090465
Source DB: PubMed Journal: WHO Chron ISSN: 0042-9694