title: Changes in collagen with age. IV. The extraction of soluble collagen from human lung.
mesh_terms: D000367:Age Factors; D000596:Amino Acids / Q000032:analysis; D002241:Carbohydrates / Q000032:analysis; D003094:Collagen / Q000032:analysis / Q000302:isolation & purification* / Q000378:metabolism; D004591:Electrophoresis, Polyacrylamide Gel; D006801:Humans; D006909:Hydroxyproline / Q000032:analysis; D008168:Lung; D008722:Methods; D003012:Microbial Collagenase / Q000378:metabolism; D011506:Proteins / Q000032:analysis; D012995:Solubility; D013053:Spectrophotometry; D013696:Temperature; D014020:Tissue Extracts / Q000032:analysis*
chemical_list: D000596:Amino Acids; D002241:Carbohydrates; D011506:Proteins; D014020:Tissue Extracts; D003094:Collagen; D003012:Microbial Collagenase; D006909:Hydroxyproline