title: Morphologic changes in pseudoxanthoma elasticum and senile skin.
mesh_terms: D000375:Aging; D002114:Calcinosis / Q000473:pathology; D003094:Collagen / Q000378:metabolism; D004547:Elastic Tissue / Q000473:pathology; D006025:Glycosaminoglycans / Q000378:metabolism; D006801:Humans; D011561:Pseudoxanthoma Elasticum / Q000473:pathology*; D012867:Skin / Q000473:pathology*
chemical_list: D006025:Glycosaminoglycans; D003094:Collagen