title: Collagen polymorphism: isolation and partial characterization of alpha 1(I)-trimer molecules in normal human skin.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D003094:Collagen / Q000302:isolation & purification; D006801:Humans; D046911:Macromolecular Substances; D010446:Peptide Fragments / Q000032:analysis; D012867:Skin / Q000032:analysis*
chemical_list: D000596:Amino Acids; D046911:Macromolecular Substances; D010446:Peptide Fragments; D003094:Collagen