[Comparative results in use of 35 x 35 mm. and 70 x 70 mm. film and large roentgenograms].
D035843:Biomedical Research; D011859:Radiography; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*
ROENTGENOGRAPHY; TUBERCULOSIS, PULMONARY/prevention and control
Sammenlignende undersøgelser ved anvendelse af 35 x 35 mm-film, 70 x 70 mm-film og store røntgenbilleder.