[Extended D3 lymphadenectomy in surgical treatment of stomach cancer].

Results of 178 operations with extended D3 lymphadenectomy (study group) performed at the patients with stomach cancer are analyzed. Control groups consisted of 175 patients undergone operations with D2 lymphadenectomy, and 266 patients undergone surgery of typical extension. Study and control groups were similar according to prognostic factors.

[Evaluation of the efficiency of preventive medical examinations of railway transport workers].

The paper reflects the priority role of preliminary and periodic medical examinations in the system of measures implemented by therapeutic-and-prophylactic institutions of the Ministry of Railway of Russia. It gives a comprehensive assessment of the medical, social, and economic aspects of the efficiency of preventive medical examinations. Emphasis is laid on the necessity of elaborating methods to evaluate the economic efficiency of medical measures under the conditions of market economy.

[Health status of workers contacting chrysotile asbestos waste on railway objects].

Asbestos dust associated with other factors induces more hazardous effects, than if acting solely. That is seen especially in women whose morbidity grows 1.5-2.