[The use of laser beam irradiation by the acute destructive pancreatitis].

The use of intravenous laser blood irradiation and transcutaneous laserotherpy together with mini-invasive and endoscopic surgical procedures permit to avoid infection of pancreatic lesions in 67.7%. Lethality rate by sterile pancreonecrosis decreased from 24.

[Assessment of a risk from aviation noise exposure to the population's health].

The paper gives an algorithm, a procedure for calculation of aircraft noise, and its spread modeling. The performed investigations have provided guidelines that will become the first Russian official guiding document for assessing a risk from aviation noise to human health.

[Action of antioxidants on membrane-toxic effects of anticholinesterase agents].

It was found therapeutic-preventive effectiveness of antioxidants (1,4-dihydropyridine derivatives) at poisoning with malathion insecticide. The effect of 1,4-dihydropyridine derivatives can be attributed to a prevention of lipid peroxidation. Antioxidants do not affect the toxicity of 0,0-dimethyl-0-2,2-dichlorvinylphosphate.

[Determination of the biological activity of heliomycin by a method of diffusion in agar].

A biological method for determination of geliomycin activity using agar diffusion is described. A nutrient medium containing Hottinger broth up to 35 mg per cent of amine nitrogen, 1.5 percent of agar-agar, tap water, pH 7.