| THE SEVENTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY | Astrophysical Journal, Supplement Series | 2009 | 3.8K |
| Livelihoods perspectives and rural development | Journal of Peasant Studies | 2009 | 874 |
| Primate ecology and social organization | Journal of Zoology | 2009 | 729 |
| Long-term results of a randomized trial of surgery with or without preoperative chemotherapy in esophageal cancer | Journal of Clinical Oncology | 2009 | 686 |
| Empirical estimates of the direct rebound effect: A review | Energy Policy | 2009 | 594 |
| Granger causality and transfer entropy are equivalent for Gaussian variables | Physical Review Letters | 2009 | 576 |
| Does contact reduce prejudice or does prejudice reduce contact? A longitudinal test of the contact hypothesis among majority and minority groups in three European countries | Journal of Personality and Social Psychology | 2009 | 498 |
| Related Variety, Trade Linkages, and Regional Growth in Italy | Economic Geography | 2009 | 470 |
| Is science becoming more interdisciplinary? Measuring and mapping six research fields over time | Scientometrics | 2009 | 432 |
| Permafrost and climate in Europe: Monitoring and modelling thermal, geomorphological and geotechnical responses | Earth-Science Reviews | 2009 | 419 |
| Enactive intersubjectivity: Participatory sense-making and mutual incorporation | Phenomenology and the Cognitive Sciences | 2009 | 419 |
| ATM and Artemis promote homologous recombination of radiation-induced DNA double-strand breaks in G2 | EMBO Journal | 2009 | 397 |
| Rational design and application of responsive alpha-helical peptide hydrogels | Nature Materials | 2009 | 397 |
| British Infection Society guidelines for the diagnosis and treatment of tuberculosis of the central nervous system in adults and children | Journal of Infection | 2009 | 357 |
| Human renal function maturation: a quantitative description using weight and postmenstrual age | Pediatric Nephrology | 2009 | 349 |
| Jevons’ Paradox revisited: The evidence for backfire from improved energy efficiency | Energy Policy | 2009 | 348 |
| Primates, brains and ecology | Journal of Zoology | 2009 | 342 |
| Universal recognition of three basic emotions in music | Current Biology | 2009 | 324 |
| A global map of science based on the ISI subject categories | Journal of the Association for Information Science and Technology | 2009 | 318 |
| Impacts of plant symbiotic fungi on insect herbivores: mutualism in a multitrophic context | Annual Review of Entomology | 2009 | 312 |
| Quantitative benchmark computations of two-dimensional bubble dynamics | International Journal for Numerical Methods in Fluids | 2009 | 311 |
| From threat to fear: the neural organization of defensive fear systems in humans | Journal of Neuroscience | 2009 | 303 |
| Estimating the rate of adaptive molecular evolution in the presence of slightly deleterious mutations and population size change | Molecular Biology and Evolution | 2009 | 298 |
| A human 5'-tyrosyl DNA phosphodiesterase that repairs topoisomerase-mediated DNA damage | Nature | 2009 | 294 |
| Designing long-term policy: rethinking transition management | Policy Sciences | 2009 | 293 |
