[The toxicity of the "C", "M" and "P" brands of polyvinyl chloride plastisols used for making medical articles].

It is concluded that polyvinyl plastisols of the mentioned brands should not be used for manufacturing medical products. Only the P brand may be employed for manufacturing balloons for measurement of the blood pressure and for inhalers.

[The effect of ultraviolet irradiation on the cesium-137 and strontium-90 levels in the body of laboratory animals].

A 10-day course of ultraviolet radiation (intensity: 1/8-2 biodoses daily) did not favour accumulation of cesium-137 in the body but produced some effect on the accumulation of strontium-90. In the real radiation condition in the city of Kiev the daily prophylactic 1/8 biodose may be considered as absolutely safe.