[The catamnesis of patients with the minimal change nephrotic syndrome--lipoid nephrosis].

A catamnestic study was made of 188 patients suffering from the nephrotic syndrome with minimum changes (NSMC) in order to examine the characteristic features of its course and outcome. The patients' age ranged from 3 to 26 years, with the disease standing being from 1 to 22 years. The authors explored the anamnestic and clinico-laboratory data together with the morphological findings (in 6.

[Optical characteristics of closed-type safety glasses].

Measurements of spectral translucent coefficients of four types of protective spectacles with clean and tinted glasses were done using the C phi-46 spectrophotometer. Translucent coefficients were calculated according to a special programme in relation to the visibility factor curve. Vision acuity evaluation for the analysed spectacles is given.

[Effect of various factors on staphylococcal multiplication during the production of curd].

The paper is concerned with modeling of contamination of cheese granules with staphylococci in different stages of granule preparation under laboratory conditions. It has been shown that especially hazardous is the raw material contamination in the stages of fermentation and crushing of the curd before heating.