| Literature DB >> 14060093 |
Abstract
Keywords: AGRICULTURAL WORKERS' DISEASES; EPIDEMIOLOGY; GEOGRAPHY; GERIATRICS; HOSPITALS, VETERANS; HUMIDITY; OCCUPATIONS; PTERYGIUM; PUERTO RICO; RURAL HEALTH; STATISTICS; SUNLIGHT; ULTRAVIOLET RAYS; UNITED STATES
Mesh:
Year: 1963 PMID: 14060093 DOI: 10.1001/archopht.1963.00960050160004
Source DB: PubMed Journal: Arch Ophthalmol ISSN: 0003-9950