Sex, age, and hyperparathyroidism.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002118:Calcium / Q000097:blood / Q000378:metabolism; D005260:Female; D006801:Humans; D006961:Hyperparathyroidism / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D008593:Menopause; D008875:Middle Aged; D010280:Parathyroid Glands / Q000378:metabolism; D012737:Sex Factors
D002118:Calcium