Congresses 30 General Linguistics, Journal 30 Biochemica et Biophysica Acta (Journal) 15 MUTATION 15 MUTATION RESEARCH 14 Pharmacology and Toxicology 10 Microbiology 9 Techniques in Biochemistry 9 Linguistics, Journal 8 Set theory 8 Biochemistry 7 Cytology-- Biology 7 Physiology 7 Programming (Mathematics) 6 Topology 6 Cell biology 5 Cytology 5 Economics 5 General Linguistics 5 Mathematics 5 Parasitology 5 Quantum theory 5 Anatomy and Histology 4 Differential equations, Partial 4 Genetics 4 Hormones 4 Language/ Lingustics; 4 Agricultural economics 3 CYTOGENETICS 3 Combinatorial analysis 3