title: Letter: Granulomas in pulmonary veno-occlusive disease.
mesh_terms: D006099:Granuloma / Q000150:complications*; D006801:Humans; D008171:Lung Diseases / Q000150:complications*; D008297:Male; D008875:Middle Aged; D011667:Pulmonary Veins; D013927:Thrombosis / Q000150:complications*