(NpROSTUDNYE ZABOLEWANIQ(B, (NIH PREDUPREVDENIE I LE^ENIE (B/s - (NgEORGIEWSKAQ(B, (NlIDIQ mATWEEWNAs ([(NlENINGRAD(B] :s (NmEDGIZ(B. (NlENINGR(B. (NOTD(B-(NNIE(B,s, 1962)
Keywords: (NpRASTUDAs; (NfAKTORY WNE[NEJ SREDYs; (NbOLEZNI DYHATELXNYH PUTEJs