title: Connection between structure and dry mass concentration of collagen fibre. I. Alteration in dry mass concentration of collagen fibres during aeging.
mesh_terms: D000375:Aging; D000818:Animals; D003094:Collagen / Q000032:analysis*; D006651:Histocytochemistry; D008857:Microscopy, Interference; D051381:Rats; D013623:Tail
chemical_list: D003094:Collagen