The twenty-fifth research conference in pulmonary diseases of the veterans administration--armed forces.
D000818:Animals; D002417:Cattle; D003094:Collagen / Q000032:analysis*; D003238:Connective Tissue / Q000032:analysis*; D004285:Dogs; D004549:Elastin / Q000032:analysis*; D006736:Horses; D006801:Humans; D008168:Lung / Q000032:analysis*; D011817:Rabbits; D012756:Sheep; D013552:Swine
D003094:Collagen; D004549:Elastin