title: Topographical variation in patellar subarticular calcified tissue density.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002113:Calcification, Physiologic; D002358:Cartilage, Articular / Q000033:anatomy & histology* / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010329:Patella / Q000033:anatomy & histology* / Q000502:physiology; D012737:Sex Factors