| Regulation of inflammatory responses by gut microbiota and chemoattractant receptor GPR43 | Nature | 2009 | 2K |
| Standardization of terminology, definitions and outcome criteria in immune thrombocytopenic purpura of adults and children: report from an international working group | Blood | 2009 | 1.7K |
| IL28B is associated with response to chronic hepatitis C interferon-alpha and ribavirin therapy | Nature Genetics | 2009 | 1.6K |
| Resting microglia directly monitor the functional state of synapses in vivo and determine the fate of ischemic terminals | Journal of Neuroscience | 2009 | 1.1K |
| The International GNSS Service in a changing landscape of Global Navigation Satellite Systems | Journal of Geodesy | 2009 | 1.1K |
| Biological determinants of endocrine resistance in breast cancer | Nature Reviews Cancer | 2009 | 950 |
| Gram-scale production of graphene based on solvothermal synthesis and sonication | Nature Nanotechnology | 2009 | 903 |
| The transcriptional repressor Bcl-6 directs T follicular helper cell lineage commitment | Immunity | 2009 | 861 |
| International Committee for Monitoring Assisted Reproductive Technology (ICMART) and the World Health Organization (WHO) revised glossary of ART terminology, 2009 | Fertility and Sterility | 2009 | 834 |
| Bioapplications of RAFT polymerization | Chemical Reviews | 2009 | 820 |
| Cooperative Communications for Cognitive Radio Networks | Proceedings of the IEEE | 2009 | 710 |
| Family caregivers of people with dementia | Dialogues in Clinical Neuroscience | 2009 | 687 |
| Fluorescence as a potential monitoring tool for recycled water systems: a review | Water Research | 2009 | 674 |
| Assurance on Sustainability Reports: An International Comparison | Accounting Review | 2009 | 672 |
| Methadone maintenance therapy versus no opioid replacement therapy for opioid dependence | The Cochrane Library | 2009 | 650 |
| On the nature of biomaterials | Biomaterials | 2009 | 639 |
| 2007 National Survey of Mental Health and Wellbeing: methods and key findings | Australian and New Zealand Journal of Psychiatry | 2009 | 596 |
| The propositional nature of human associative learning | Behavioral and Brain Sciences | 2009 | 533 |
| Norovirus illness is a global problem: emergence and spread of norovirus GII.4 variants, 2001-2007 | Journal of Infectious Diseases | 2009 | 531 |
| Intralocus sexual conflict | Trends in Ecology and Evolution | 2009 | 518 |
| Defining internet-supported therapeutic interventions | Annals of Behavioral Medicine | 2009 | 508 |
| Coordinated Ocean-ice Reference Experiments (COREs) | Ocean Modelling | 2009 | 498 |
| Optimization of cooperative spectrum sensing with energy detection in cognitive radio networks | IEEE Transactions on Wireless Communications | 2009 | 481 |
| The genomic basis of trophic strategy in marine bacteria | Proceedings of the National Academy of Sciences of the United States of America | 2009 | 472 |
| Global patterns in plant height | Journal of Ecology | 2009 | 441 |
