Kovalev G K, Gvozdilkin G I, Datsuk T G
Probl Tuberk. 1994(2):56-7.
The incidence and causes of pulmonary tuberculosis recurrences were studied in the convicted persons from the corrective-labour establishments of the Saratov Region. There was a specificity of aggravating factors that influenced the occurrence of relapses. The findings are interpreted in the paper.