Microbiology 308 Biochemistry 299 Physiology 204 Enzymes 187 Pharmacology and Toxicology 148 Pathology 106 Nutrition 102 Genetics 85 Biochemistry-- Biology 79 Archives of biochemistry and biophysics (Journal) 76 Proteins 76 Parasitology 65 Hormones 57 Analytical Biochemistry (Journal) 51 Plant pathology 50 MOLECULAR BIOLOGY 48 Molecular biology 46 INTERNATIONAL REVIEW OF CYTOLOGY 45 Virus research 45 Insects 39 Biotechnology 38 Biochemical and Biophysical Research Communications (Journal) 37 BIOLOGY 36 Cytology 36 Ecology 35 Journal, Verbal Learning and Verbal Behaviour 35 Anatomy and Histology 30 Lipids 30 Vitamins 30 ADVANCES IN PHYSICAL ORGANIC CHEMISTRY 29