title: Development and calcification of skin lesions in thirty-nine patients with pseudoxanthoma elasticum.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002114:Calcinosis / Q000378:metabolism / Q000473:pathology; D002118:Calcium / Q000378:metabolism; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011561:Pseudoxanthoma Elasticum / Q000378:metabolism / Q000473:pathology*; D012867:Skin / Q000378:metabolism / Q000473:pathology*
chemical_list: D002118:Calcium