LB2300 Higher Education 414 P1-1091 Philology. Linguistics(General) 171 TH1-9745 Building construction 159 R Medicine 115 R Medicine (General) 32 RC Internal medicine 24 Z Bibliography. Library Science. Information Resources 12 RA Public aspects of medicine 11 RK Dentistry 10 RG Gynecology and obstetrics 9 HD28-70 Management. Industrial Management 7 RM Therapeutics. Pharmacology 7 R5-920 Medicine (General) 6 RA0421 Public health. Hygiene. Preventive Medicine 6 RC31-1245 Internal medicine 4 NX1-820 Arts in general 3 QA75.5-76.95 Electronic computers. Computer science 3 RB Pathology 3 RE Ophthalmology 3 RJ Pediatrics 3 H Social Sciences 2 H Social Sciences (General) 2 H1-99 Social sciences (General) 2 LB2326.4-2330 Institutions of higher education 2 P87-96 Communication. Mass media 2 PN1993-1999 Motion pictures 2 RA440-440.87 Study and teaching. Research 2 RA643-645 Disease (Communicable and noninfectious) and public health 2 RC254-282 Neoplasms. Tumors. Oncology (including Cancer) 2 RD Surgery 2