title: Pulmonary arterial changes with age and smoking.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D003094:Collagen / Q000032:analysis; D004848:Epithelium / Q000473:pathology; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009130:Muscle, Smooth / Q000473:pathology; D011651:Pulmonary Artery / Q000032:analysis / Q000473:pathology*; D012907:Smoking; D014655:Vascular Resistance
chemical_list: D003094:Collagen