[Around the Semipalatinsk proving grounds: the radioecological situation and the population radiation doses in Semipalatinsk Province (based on data from the report of the Interdepartmental Commission)].

The paper represents some results of a joint commission, organized by the USSR Ministry of Health by order of the USSR Council of Ministers at public requests. The commission worked in the area neighbouring the proving ground at Semipalatinsk in the period of May-July 1988. A radiological situation there was investigated after underground nuclear testing on July 8, 1989.

[Comparative data from radioisotopic and x-ray methods of study in osteogenic group tumors].

A comparative analysis of the data of roentgenography-angiography, scanning and radiometry with strontium-85 in 54 patients showing osteogenic sarcoma and osteoblastoclastoma has demonstrated a relationship between the quantitative characteristics of the radioactive Sr inclusion and the intensity of reactive osteoformation, mineralization of neoplastic tissues, an activity of the pathological process, and the rate of vascularization, as well.