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3. Validity of polyethylene glycol in estimating intestinal water volume;Jacobson;Gastroenterology,1963
4. A turbidometric method for the determination of higher polyethylene glycols in biologic materials;Hyden;Ann. Roy. Agric. Coll. Sweden,1955
5. The kinetics of water absorption in the human intestine;Fordtran;Trans. Ass. Amer. Physicians,1961