title: Changes in collagen with age. II. Modification of collagen structure by exposure to the gaseous phase of tobacco smoke.
mesh_terms: D000375:Aging; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002417:Cattle; D002845:Chromatography; D003094:Collagen / Q000032:analysis; D004586:Electrophoresis; D005374:Filtration; D005782:Gels; D066298:In Vitro Techniques; D010947:Plants, Toxic; D011506:Proteins / Q000032:analysis; D012867:Skin / Q000201:enzymology; D012906:Smoke; D013050:Spectrometry, Fluorescence; D013053:Spectrophotometry; D014026:Nicotiana; D014357:Trypsin
chemical_list: D000596:Amino Acids; D005782:Gels; D011506:Proteins; D012906:Smoke; D003094:Collagen; D014357:Trypsin