Early observations in a Veterans Administration clinic during a mass chest x-ray survey.
D000554:Ambulatory Care Facilities; D003625:Data Collection; D006801:Humans; D008400:Mass Chest X-Ray; D013902:Radiography, Thoracic; D014481:United States; D014493:United States Department of Veterans Affairs
THORAX/roentgenography; VETERANS ADMINISTRATION/United States