title: Influence of the respiratory cycle on the configuration of the heart and vessels in the chest x-rays of children.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001011:Aorta / Q000502:physiology; D002648:Child; D002675:Child, Preschool; D003331:Coronary Vessels / Q000033:anatomy & histology*; D003964:Diaphragm / Q000502:physiology; D005260:Female; D006321:Heart / Q000033:anatomy & histology* / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011859:Radiography; D012119:Respiration; D012737:Sex Factors