I. Markgraf

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In anaesthetized rats, jejunal segments 30 cm in length were perfused (rates: 0.1, 0.2, 0.5 ml/min) with solutions containing antipyrine, salicylic acid, urea, l-lysine, l- and d-phenylalanine. The intraluminal concentration was determined approx. 10, 20, and 30 cm from the inflow cannula. The intraluminal concentration gradients were almost exponential and(More)
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