[The level of total estrogens in the urine of cryptorchid patients].

The authors carried out studies on total estrogens in urine of healthy men as well as in men with cryptorchidism. These studies were performed on 79 men, divided into the following groups: a control group of healthy men--31; nonoperated patients--5; operated patients with cryptorchidism up to the seventh years of age--7; operated patients with cryptorchidism between 7 and 12 years of age--15; operated patient with cryptorchidism over 12 years of age--21. The hormonal analysis of total estrogens in urine were made by the modified fluorometric method of Braun.

[Chronopharmacokinetics of the preparation biomet400 in patients with duodenal ulcer].

Biomet400 is a selective H2-blocker produced by the firm "Pharmacia" of the Bulgarian Medical Academy. 11 patients were treated with the drug in a dose of 400 mg taken orally in the morning or in the evening. The pharmacokinetic analysis revealed a slower resorption of cimetidine in the patients who had taken the drug in the evening (Tmax = 2 h, resp.