title: Circadian rhythm of urinary calcium excretion during immobilization.
mesh_terms: D000328:Adult; D002118:Calcium / Q000652:urine*; D002940:Circadian Rhythm; D006801:Humans; D007103:Immobilization; D008297:Male; D008875:Middle Aged; D010264:Paraplegia / Q000652:urine; D013119:Spinal Cord Injuries / Q000652:urine
chemical_list: D002118:Calcium