Letter: Hospital admission chest x-rays.
D002170:Canada; D003365:Costs and Cost Analysis; D006760:Hospitalization; D006801:Humans; D008400:Mass Chest X-Ray; D009674:Nova Scotia; D013902:Radiography, Thoracic; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis