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The ABO blood group and ABH secretor status have been determined for 368 patients with a duodenal ulcer, 202 patients with a gastric ulcer, 83 patients with a stomal ulcer, 105 patients with gastric cancer, 102 patients with diabetes mellitus, and a control group of 610 subjects consisting of healthy persons and of patients with other conditions attending(More)
Oestrone sulphate was extracted from pig serum with tetrahydrofuran and then hydrolysed with sulphatase. The radioimmunoassay of liberated oestrone was carried out directly on the reaction mixture. Oestrone sulphate concentrations were less than 60 pg/ml in non-pregnant sows. Detectable concentrations of oestrone sulphate were found in serum as early as the(More)
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