title: THE DETECTION OF CHANGES IN THE ABSORPTION OF CALCIUM AND PHOSPHORUS.
mesh_terms: D002118:Calcium / Q000378:metabolism*; D002136:Calcium, Dietary; D002623:Chemistry Techniques, Analytical; D005243:Feces; D005441:Fluids and Secretions; D007408:Intestinal Absorption; D009584:Nitrogen; D010758:Phosphorus / Q000378:metabolism*; D016226:Phosphorus, Dietary; D013223:Statistics as Topic
chemical_list: D002136:Calcium, Dietary; D016226:Phosphorus, Dietary; D010758:Phosphorus; D009584:Nitrogen; D002118:Calcium
keywords: CALCIUM METABOLISM; CHEMISTRY, ANALYTICAL; EXCRETION; FECES; INTESTINAL ABSORPTION; NITROGEN; PHOSPHORUS METABOLISM; STATISTICS