title: Changes in proline and hydroxyproline in collagens during the development of rats.
mesh_terms: D000818:Animals; D003094:Collagen / Q000737:chemistry*; D006909:Hydroxyproline; D011392:Proline / Q000737:chemistry*; D051381:Rats
chemical_list: D003094:Collagen; D011392:Proline; D006909:Hydroxyproline
keywords: COLLAGEN/chemistry; PROLINE/chemistry