title: Changes in guinea-pig dermal collagen during development.
mesh_terms: D000375:Aging; D000818:Animals; D002850:Chromatography, Gel; D003094:Collagen / Q000302:isolation & purification / Q000378:metabolism*; D005260:Female; D006168:Guinea Pigs; D008623:Mercaptoethanol; D008970:Molecular Weight; D009994:Osmolar Concentration; D010434:Pepsin A; D011247:Pregnancy; D011392:Proline / Q000378:metabolism; D012867:Skin / Q000254:growth & development / Q000378:metabolism*
chemical_list: D008623:Mercaptoethanol; D003094:Collagen; D011392:Proline; D010434:Pepsin A