Comparative analysis of the results of bacteriological and chromato-mass-spectrometric studies of pleural exudate in patients with pleural empyema oleh B. N. Kotiv, I. I. Dzidzava, T. N. Suborova, G. V. Valiev, O. V. Barinov, I. V. Deinega, T. M. Voroshilova, V. V. Lishenko, A. G. Platonova, V. V. Shvedyuc