title: Approach to the diagnosis of secondary pulmonary hypertension: the chest roentgenogram as a diagnostic tool.
mesh_terms: D000755:Anemia, Sickle Cell / Q000150:complications / Q000000981:diagnostic imaging; D003095:Collagen Diseases / Q000150:complications / Q000000981:diagnostic imaging; D006330:Heart Defects, Congenital / Q000150:complications / Q000000981:diagnostic imaging; D006333:Heart Failure / Q000150:complications / Q000503:physiopathology; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications / Q000000981:diagnostic imaging; D006976:Hypertension, Pulmonary / Q000000981:diagnostic imaging* / Q000209:etiology; D008168:Lung / Q000000981:diagnostic imaging*; D008173:Lung Diseases, Obstructive / Q000150:complications / Q000000981:diagnostic imaging; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011655:Pulmonary Embolism / Q000150:complications / Q000000981:diagnostic imaging; D011859:Radiography; D012552:Schistosomiasis / Q000150:complications / Q000000981:diagnostic imaging