title: Perturbation of calcium ion activity by urea.
mesh_terms: D002118:Calcium / Q000494:pharmacology*; D004563:Electrochemistry; D004566:Electrodes; D010070:Oxalates; D012965:Sodium Chloride / Q000494:pharmacology; D012995:Solubility; D013054:Spectrophotometry, Atomic; D014508:Urea / Q000494:pharmacology*
chemical_list: D010070:Oxalates; D012965:Sodium Chloride; D014508:Urea; D002118:Calcium