| Colorectal cancer epidemiology: incidence, mortality, survival, and risk factors | Clinics in Colon and Rectal Surgery | 2009 | 1.3K |
| Reprint—Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement | Physical Therapy | 2009 | 1.2K |
| Prevalence of associated deformities and hip pain in patients with cam-type femoroacetabular impingement | Journal of Bone and Joint Surgery: British Volume | 2009 | 227 |
| Comparison of MRI alpha angle measurement planes in femoroacetabular impingement | Clinical Orthopaedics and Related Research | 2009 | 206 |
| ALCAPA syndrome: not just a pediatric disease | Radiographics | 2009 | 174 |
| Air pollution and emergency department visits for cardiac and respiratory conditions: a multi-city time-series analysis | Environmental Health | 2009 | 172 |
| Dalteparin for the prevention of recurrence of placental-mediated complications of pregnancy in women without thrombophilia: a pilot randomized controlled trial | Journal of Thrombosis and Haemostasis | 2009 | 169 |
| Randomized trials published in some Chinese journals: how many are randomized? | Trials | 2009 | 159 |
| Early detection of disease outbreaks using the Internet | Cmaj | 2009 | 158 |
| Treatment of myelodysplastic syndrome patients with erythropoietin with or without granulocyte colony-stimulating factor: results of a prospective randomized phase 3 trial by the Eastern Cooperative Oncology Group (E1996) | Blood | 2009 | 150 |
| Oocyte-granulosa-theca cell interactions during preantral follicular development | Journal of Ovarian Research | 2009 | 140 |
| Health among caregivers of children with health problems: findings from a Canadian population-based study | American Journal of Public Health | 2009 | 133 |
| The effect of anteromedial facet fractures of the coronoid and lateral collateral ligament injury on elbow stability and kinematics | Journal of Bone and Joint Surgery - Series A | 2009 | 126 |
| Assessment of procedural skills in anaesthesia | British Journal of Anaesthesia | 2009 | 119 |
| Brain tumors and epilepsy: pathophysiology of peritumoral changes | Neurosurgical Review | 2009 | 118 |
| Fertility desires and intentions of HIV-positive women of reproductive age in Ontario, Canada: a cross-sectional study | PLoS ONE | 2009 | 116 |
| Cognitive effects of chemotherapy in post-menopausal breast cancer patients 1 year after treatment | Psycho-Oncology | 2009 | 116 |
| Follow-up for women after treatment for cervical cancer: a systematic review | Gynecologic Oncology | 2009 | 114 |
| Cognitive effects of hormonal therapy in early stage breast cancer patients: a prospective study | Psycho-Oncology | 2009 | 113 |
| Adult attachment, depression, and eating disorder symptoms: The mediating role of affect regulation strategies | Personality and Individual Differences | 2009 | 109 |
| Impact of surgical approach on complications and resource utilization of cervical spine fusion: a nationwide perspective to the surgical treatment of diffuse cervical spondylosis | Spine Journal | 2009 | 109 |
| Randomized phase II study of gefitinib compared with placebo in chemotherapy-naive patients with advanced non-small-cell lung cancer and poor performance status | Journal of Clinical Oncology | 2009 | 106 |
| Prospective cost-effectiveness analysis of cetuximab in metastatic colorectal cancer: evaluation of National Cancer Institute of Canada Clinical Trials Group CO.17 trial | Journal of the National Cancer Institute | 2009 | 104 |
| A comparison of global rating scale and checklist scores in the validation of an evaluation tool to assess performance in the resuscitation of critically ill patients during simulated emergencies (abbreviated as "CRM simulator study IB") | Simulation in Healthcare | 2009 | 99 |
| Hip resurfacing: patient and treatment options | Journal of Bone and Joint Surgery - Series A | 2009 | 97 |
