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The aim of the present study was to test whether the previously demonstrated release of immunoreactive plasma secretin following intraduodenal bile infusion could be mediated by the calcium content of the bile. The gastric acid secretion and the serum concentration of gastrin, ionized and total calcium, calcitonin, and parathyroid hormone were also measured. A total amount of 93 mg calcium was infused intraduodenally in eight healthy volunteers during constant gastric aspiration. No effect was seen on the concentration of immunoreactive plasma secretin or serum gastrin levels in peripheral blood. The total serum calcium concentration decreased slightly during the infusion and increased immediately thereafter. Ionized serum calcium increased throughout the experiment, the increase being significant only after the calcium infusion was stopped. No effects were observed on the serum concentrations of calcitonin and parathyroid hormone.
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
January 1977,
Scandinavian journal of gastroenterology,
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
January 1978,
Scandinavian journal of gastroenterology,
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
August 1967,
Lancet (London, England),
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
November 1979,
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology,
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
June 1983,
Horumon to rinsho. Clinical endocrinology,
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
November 1974,
Gut,
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
September 1983,
Scandinavian journal of gastroenterology,
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
September 1978,
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology,
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
June 1977,
European journal of clinical investigation,
K Valnes, and
O Flaten, and
L E Hanssen, and
O P Foss, and
K M Gautvik
March 1978,
Gut,
