title: Age changes in the subunit composition of rat tail tendon collagen extracted at 65 degrees C in water and a 2 degrees C in acid.
mesh_terms: D000375:Aging; D000818:Animals; D002848:Chromatography, DEAE-Cellulose; D003094:Collagen / Q000032:analysis* / Q000302:isolation & purification; D008722:Methods; D051381:Rats; D013623:Tail; D013710:Tendons / Q000032:analysis*
chemical_list: D003094:Collagen