title: Optimal calcium intake. National Institutes of Health.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002118:Calcium / Q000378:metabolism*; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009751:Nutritional Requirements
chemical_list: D002118:Calcium