title: Studes of calcium absorption in man using a CD-2 whole-body counter.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002118:Calcium / Q000378:metabolism*; D002132:Calcium Radioisotopes; D002648:Child; D005260:Female; D006801:Humans; D006961:Hyperparathyroidism / Q000378:metabolism; D006980:Hyperthyroidism / Q000378:metabolism; D007408:Intestinal Absorption / Q000187:drug effects; D007421:Intestine, Small / Q000601:surgery; D008286:Malabsorption Syndromes / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000378:metabolism; D012016:Reference Values; D014807:Vitamin D / Q000494:pharmacology; D014915:Whole-Body Counting
chemical_list: D002132:Calcium Radioisotopes; D014807:Vitamin D; D002118:Calcium