(NlIHORADKA kU (B/s - (NlOBAN(B, (NkONSTANTIN mIHAJLOWI^s; (NuNIWERSITET DRUVBY NARODOW IM(B. (Np(B. (NlUMUMBYs ((NmOSKWA (B:s (Nudn IM(B. (Np(B. (NlUMUMBY(B,s, 1974)
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Keywords: (Nku(B-(NLIHORADKAs -- (N|TIOLOGIQs -- (N|PIDEMIOLOGIQs -- (NtERAPIQs; (NpRIZNAKI I SIMPTOMYs