(Titles) ISSN IF:2002 IF:2003 IF:2004 IF:2005 IF:2006
Academic Medicine 1040-2446 1.302 1.104 2.304 1.94 2.607      
Acta Biochimica et Biophysica Sinica  (Chinese) 0582-9879                                                                                                                        or1672-9145 0.596 0.524 0.360 0.505 0.931      
Acta Cytologica 0001-5547 0.937 1.013 0.831 1.022 0.793      
Acta Diabetologica 0940-5429 0.647 0.811 0.335 0.82 1.676      
Acta Haematologica 0001-5792 1.252 1.874 1.373 1.229 1.564      
Acta Histochemica 0065-1281 0.867 0.656 0.895 0.92 1.167      
Acta Histochemica et Cytochemica 0044-5991 0.456 0.659 0.460 0.67 0.429      
Acta Neuropathologica 0001-6322 2.283 2.556 2.503 2.527 2.694      
Acta Oncologica 0284-186X 1.909 2.460 1.884 2.362 1.856      
Acta Paediatrica 0803-5253 1.260 1.128 1.143 1.277 1.297      
Acta Pharmacologica Sinica (Chinese) 1671-4083 0.688 0.884 1.125 1.123 1.397      
Acta Physiologica Scandinavica 0001-6772 1.950 1.724 2.086 2.865 2.230 Guideline    
Acta Psychiatrica Scandinavica 0001-690X 2.259 2.356 2.288 2.968 3.857      
Acta Radiologica 0284-1851 0.883 1.096 1.178 1.031 0.884      
Acta Virologica 0001-723X 0.660 0.683 0.605 0.696 0.788      
Advanced Drug Delivery Reviews 0169-409X 4.190 6.588 7.763 7.189 7.977      
Advanced in Physiology Education 1043-4046 0.744 0.755 1.291 1.043 1.260      
Advanced Materials 0935-9648 6.801 7.305 8.079 9.107 7.896      
Advances in Applied Microbiology 0065-2164 1.000 1.893 1.156 1.364 1.960      
Advances in Carbohydrate Chemistry and Biochemistry 0065-2318 2.000 4.333 0.333 2.6 3.500      
Advances in Clinical Chemistry 0065-2423 2.233 0.917 0.571 1.867 2.440      
Advances in Immunology 0065-2776 10.486 7.424 7.929 5 4.935      
Advances in Protein Chemistry 0065-3233 5.467 4.933 4.326 3.212 5.685      
Advances in Virus Research 0065-3527 2.978 2.576 1.875 4.83 3.480      
Age and Ageing 0002-0729 1.600 1.760 1.646 2.196 1.919      
AIDS  0269-9370 5.983 5.521 5.893 5.835 5.632      
AIDS Research and Human Retroviruses 0889-2229 2.278 2.291 2.375 2.531 2.513      
Alcohol and Alcoholism 0735-0414 1.816 1.906 1.714 2.04 2.061      
Allergy 0105-4538 3.666 3.161 3.496 4.12 5.334      
Alzheimer Disease and Associated Disorders 0893-0341 1.962 1.718 1.748 2.029 1.990      
Am. Heart J. 0002-8703 2.765 3.300 3.681 3.552 3.514      
Am. J. of Botany 0002-9122 2.263 2.373 2.438 2.572 2.969      
Am. J. of Cardiology 0002-9149 2.327 3.059 3.14 3.059 3.015      
Am.  J. of Clinical Nutrition  0002-9165 5.601 5.692 5.433 5.853 6.562      
Am. J. of Clinical oncology 0277-3732 1.136 1.369 1.703 1.615 1.224      
Am. J. of Clinical Pathology 0002-9173 2.837 2.853 2.716 2.942 2.939      
Am. J. of Dermatopathology 0193-1091 1.384 1.132 1.337 1.377 1.100      
Am. J. of Epidemiology 0002-9262 4.189 4.486 4.993 5.068 5.241      
Am. J. of Gastroenterology 0002-9270 3.953 4.172 4.716 5.116 5.608      
Am. J. of Health-system Pharmacy  1079-2082 1.305 1.440 1.213 1.437 1.935      
Am. J. of Hematology 0361-8609 1.793 1.667 1.701 1.612 1.882      
Am. J. of Human Biology 1042-0533 0.839 1.322 1.211 1.489 1.669      
Am. J. of Human Genetics 0002-9297 10.649 11.602 12.340 12.649 12.629      
Am. J. of Hypertension 0895-7061 2.613 3.103 3.382 3.496 3.116      
Am.J. of Kidney Diseases 0272-6386 3.688 3.897 4.038 4.412 4.072      
Am. J. of Medicine 0002-9343 4.904 4.403 4.179 4.388 4.518      
Am. J. of Nephrology 0250-8095 1.476 1.056 1.342 2.459 2.879      
Am. J. of Neuroradiology 0195-6108 2.463 2.629 2.406 2.525 2.279      
Am. J. of Pathology 0002-9440 6.750 6.946 6.441 5.796 5.917      
Am. J. of Physiology: Cell Physiology  0363-6143 3.936 4.103 3.939 3.942 4.334      
Am. J. of Physiology 0002-9505 0.718 0.792 0.844 0.826 0.919      
Am. J. of Physiology: Endoc.and Metab. 0193-1849 3.620 3.828 4.431 4.456 4.123      
Am. J. of Physiology: Gastro.and liver Physiol. 0193-1857 3.346 3.421 3.479 3.472 3.681      
Am. J. of Physiology: Heart Circ. Physiol 0363-6135 3.369 3.658 3.539 3.56 3.724      
Am. J. of Physiology: Lung Cell Mol.Physiol. 1040-0605 3.900 3.735 4.051 3.939 4.250      
Am. J. of Physiology: Regulatory Integrative and Comparative Physiology 0363-6119 3.156 3.627 3.405 3.802 3.685      
Am. J. of Physiology: Renal Physiology 0363-6127 5.044 4.344 4.354 4.263 4.199      
Am. J. of Physical Anthropology 0002-9483 2.117 2.052 2.693 2.104 2.136      
Am. J. of Psychiatry 0002-953X 6.458 7.157 7.614 8.286 8.250      
Am. J. of Public Health 0090-0036 3.279 3.363 3.241 3.566 3.698      
Am. J. of Reproductive Immunology 8755-8920                                                                                                                   or:1046-7408 1.413 2.088 1.808 1.416 1.743      
Am. J. of Respiratory and Critical care Medcine 1073-449X 6.567 8.876 8.123 8.689 9.091      
Am. J. of Respiratory cell and Molecular Biology 1044-1549 4.170 4.015 4.175 3.988 4.593      
Am. J. of Roentgenology 0361-803X 2.424 2.474 2.384 2.209 2.117      
Am. J. of Science 0002-9599 3.089 3.607 2.259 2.17 2.453      
Am. Scientist 0003-0996 1.337 1.097 0.896 1 0.939      
Am. J. of Sports Medicine  0363-5465 2.270 2.063 2.402 2.396 2.694      
Am. J. of Surgery 0002-9610 1.758 2.183 2.349 1.924 2.101      
Am. J. of Surgical Pathology 0147-5185 4.122 4.535 4.690 4.377 4.144      
Am. J. of the Medical Sciences 0002-9629 1.246 1.404 1.795 1.399 1.355      
Am. Surgeon 0003-1348 1.289 1.158 1.148 1.254 1.299      
Amino Acids 0939-4451 1.352 1.582 2.000 2.172 2.104      
Anaesthesia (Oxford) 0003-2409 2.573 2.041 2.163 2.512 2.427      
Analytical and Quantitative Cytology and Histology 0884-6812 0.748 0.981 0.940 0.616 0.989      
Analytical Biochemistry 0003-2697 2.370 2.174 2.370 2.67 2.948      
Anatomy and Embryology 0340-2061 1.661 1.559 1.254 1.255 1.277      
Anesthesia & Analgesia 0003-2999 2.332 2.210 2.180 2.452 2.131      
Angiology 0003-3197 0.858 0.912 1.031 0.943 0.655      
Animal Behaviour 0003-3472 2.423 2.557 2.092 2.669 2.711      
Animal Genetics 0268-9146 1.443 1.387 3.108 2.437 1.520      
Animal Reproduction Science 0378-4320 1.681 1.286 1.410 2.136 2.186      
Annals of Allergy, Asthma, and Immunology 1081-1206 1.670 2.181 1.719 1.987 2.254      
Annals of Anatomy 0940-9602 0.434 0.500 0.540 0.427 0.672      
Annals of Biomedical Engineering 0090-6964 1.573 1.602 1.684 1.997 2.276      
Annals of Clinical Biochemistry  0004-5632 1.119 1.242 1.303 1.25 1.741      
Annals of Emergency Medicine 0196--0644 2.148 2.640 2.623 2.782 3.120      
Annals of Epidemiology 1047-2797 2.214 2.345 2.353 2.289 2.210      
Annals of Hematology 0939-5555 1.416 1.241 1.292 2.193 2.254      
Annals of Human Biology 0301-4460 0.896 0.885 0.991 0.927 0.778      
Annals of Human Genetics 0003-4800 2.283 3.102 2.680 3.192 2.727      
Annals of Internal Medicine 0003-4819 11.414 12.427 13.114 13.254 14.780      
Annals of Medicine 0785-3890 3.422 3.614 3.617 3.848 4.594      
Annals of Neurology 0364-5134 8.603 7.717 8.097