[Improvement in the forms of control over the knowledge of interns in a department of polyclinical therapy].

The authors summarize their experience gained with the methods of perfection the subinterns' knowledge control at the chair of polyclinical therapy. While taking the course of polyclinical therapy, the subinterns are to take 3 tests: the first one after the 4-day studies of urgent conditions which the district physician faces, the second one after the 5-day studies into expert medical evaluation of the working capacity in the activity of the district internist, and the third one after a cycle of studies into polyclinical therapy. During such tests, the knowledge may often be checked in writing.

[Status of the antioxidant system and free radical lipid peroxidation in patients with chronic renal failure].

Function of the antioxidant system (AOS) and intensity of lipid peroxidation (LPO) were studied in 42 patients with different stages of chronic renal insufficiency (CRI). The AOS state was studied by means of defining the content of SH-groups in erythrocytes using a method of quantitative cytochemistry, LPO activity was determined according to the level of diene conjugates of polyunsaturated higher fatty acids in the erythrocytic membrane by spectrophotometry. AOS functional incompetence was found in uremic patients.

[Apparatus "Stimul-1" foe electric stimulation of muscles].

The apparatus "Stimul-1" has been designed and recommended for batch production, its purpose being broad application in the medical practice of electrical stimulation of the muscles. For stimulation is used sinusoidal a.c.