Costochondral ossification and aging in five populations.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D000886:Anthropometry; D002356:Cartilage; D004032:Diet; D005060:Europe / Q000208:ethnology; D005260:Female; D006801:Humans; D007861:Lebanon; D008297:Male; D008542:Melanesia; D008875:Middle Aged; D010012:Osteogenesis; D011859:Radiography; D012272:Ribs / Q000000981:diagnostic imaging; D012737:Sex Factors; D013909:Thorax; D014481:United States