title: A radiological study of the effects of body position and respiration on regional differences in the lung.
mesh_terms: D000293:Adolescent; D000328:Adult; D006801:Humans; D008168:Lung / Q000033:anatomy & histology*; D008297:Male; D008953:Models, Anatomic; D011187:Posture; D013902:Radiography, Thoracic