Diseases 3 Ecology 3 44.65 surgery (medicine) 2 44.88 urology 2 Kidney Diseases 2 Kidneys 2 Mathematics 2 Nuclear physics 2 Physique nucle ́aire 2 Surgery 2 Women 2 Women's studies 2 02.60 women's studies: general 1 11.00 theology and religious studies: general 1 15.59 history of great parts of the world, peoples, civilizations: other 1 15.85 history of America 1 18.50 Slavic languages 1 24.40 musicology: general 1 31.00 mathematics: general 1 31.80 applications of mathematics 1 33.00 physics: general 1 33.18 classical optics 1 33.30 atomic and molecular physics: general 1 33.38 modern optics 1 33.40 nuclear physics: general 1 33.95 astrophysics 1 35.10 physical chemistry: general 1 35.18 colloid and surface chemistry 1 35.59 heterocyclic compounds 1 38.70 geophysics: general 1