Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector6224410.17816/kazmj62244Research ArticleFeatures of chronic nonspecific pneumonia in persons who have had active pulmonary tuberculosisZarubinaN. A.info@eco-vector.comCentral Research Institute of Tuberculosis0112197253657592802202128022021Copyright © 1972, Zarubina N.A.1972<p>Chronic pneumonia is a polyetiological suffering. According to most researchers, among the factors predisposing to its occurrence, in the first place is acute pneumonia, in the second - chronic bronchitis.</p>Kazan Medical archiveКазанский медицинский архив