HD28-70 Management. Industrial Management 32 R Medicine 11 TH1-9745 Building construction 10 RA0421 Public health. Hygiene. Preventive Medicine 7 TA1-2040 Engineering (General). Civil engineering (General) 7 RK1-715 Dentistry 6 R5-130.5 General works 5 P1-1091 Philology. Linguistics(General) 4 QA75.5-76.95 Electronic computers. Computer science 4 R Medicine (General) 3 RA Public aspects of medicine 3 RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry 3 TK1-9971 Electrical engineering. Electronics. Nuclear engineering 3 HD58.7-58.95 Organizational behavior, change and effectiveness. Corporate culture 2 HF5001-6182 Business 2 HF5410-5417.5 Marketing. Distribution of products 2 LB2300 Higher Education 2 QC1-999 Physics 2 R5-920 Medicine (General) 2 RE Ophthalmology 2 TJ1-1570 Mechanical engineering and machinery 2 HD Industries. Land use. Labor 1 LC5800-5808 Distance education 1 Q174-175 Philosophy, Methodology 1 QA1-939 Mathematics 1 QD1-999 Chemistry 1 QD415-436 Biochemistry 1 QH1 Natural history (General - Including nature conservation, geographical distribution) 1 RA440-440.87 Study and teaching. Research 1 RC254-282 Neoplasms. Tumors. Oncology (including Cancer) 1