Sarelius, I H Rhythmic fluctuations in the urine composition of sheep: separation of feed-dependent from other rhythms. [electronic resource] - Pflugers Archiv : European journal of physiology Mar 1975 - 243-59 p. digital Publication Type: Journal Article ISSN: 0031-6768 Standard No.: 10.1007/BF00583687 doi Subjects--Topical Terms: 17-Ketosteroids--urineAdrenal Cortex Hormones--biosynthesisAnimalsBicarbonates--urineChlorides--urineCircadian RhythmCreatinine--urineDiuresisElectrolytes--urineFeeding BehaviorFemalePeriodicityPotassium--urineSheep--urineSodium--urineUrea--urine