Calcium concentration in the kidney.
D000818:Animals; D001692:Biological Transport / Q000502:physiology; D002118:Calcium / Q000032:analysis* / Q000652:urine; D006224:Cricetinae; D004285:Dogs; D007668:Kidney / Q000032:analysis* / Q000502:physiology; D051381:Rats; D012964:Sodium / Q000032:analysis
D012964:Sodium; D002118:Calcium