| The protective role of antibody responses during Mycobacterium tuberculosis infection | Clinical and Experimental Immunology | 2009 | 321 |
| Folic acid supplements in pregnancy and early childhood respiratory health | Archives of Disease in Childhood | 2009 | 205 |
| Empirical research on empathy in medicine-A critical review | Patient Education and Counseling | 2009 | 191 |
| The Norwegian General Practice (NORGEP) criteria for assessing potentially inappropriate prescriptions to elderly patients. A modified Delphi study | Scandinavian Journal of Primary Health Care | 2009 | 149 |
| Thiazide Prophylaxis of Urolithiasis | Acta Medica Scandinavica | 2009 | 139 |
| Does the number of musculoskeletal pain sites predict work disability? A 14-year prospective study | European Journal of Pain | 2009 | 132 |
| Change in the number of musculoskeletal pain sites: A 14-year prospective study | Pain | 2009 | 105 |
| Measurement properties of the Dizziness Handicap Inventory by cross-sectional and longitudinal designs | Health and Quality of Life Outcomes | 2009 | 97 |
| The prevention of mother-to-child HIV transmission programme in Lilongwe, Malawi: why do so many women drop out | Reproductive Health Matters | 2009 | 97 |
| Prevalence of metabolic syndrome and factors associated with its components in Chinese adults | Metabolism: Clinical and Experimental | 2009 | 87 |
| Long-term traffic-related exposures and asthma onset in schoolchildren in oslo, norway | Environmental Health Perspectives | 2009 | 75 |
| Vitamin D status among immigrant mothers from Pakistan, Turkey and Somalia and their infants attending child health clinics in Norway | British Journal of Nutrition | 2009 | 73 |
| Pastoralism and delay in diagnosis of TB in Ethiopia | BMC Public Health | 2009 | 70 |
| SUPPORT Tools for evidence-informed health Policymaking (STP) 9: Assessing the applicability of the findings of a systematic review | Health Research Policy and Systems | 2009 | 59 |
| Maternal obesity in pregnancy and respiratory health in early childhood | Paediatric and Perinatal Epidemiology | 2009 | 54 |
| Health care seeking among pulmonary tuberculosis suspects and patients in rural Ethiopia: a community-based study | BMC Public Health | 2009 | 52 |
| Resin from the mukul myrrh tree, guggul, can it be used for treating hypercholesterolemia? A randomized, controlled study | Complementary Therapies in Medicine | 2009 | 50 |
| Availability and quality of emergency obstetric care in Gambia's main referral hospital: women-users' testimonies | Reproductive Health | 2009 | 47 |
| Late-life insomnia: a review | Geriatrics and Gerontology International | 2009 | 47 |
| SUPPORT Tools for evidence-informed health Policymaking (STP) 15: Engaging the public in evidence-informed policymaking | Health Research Policy and Systems | 2009 | 45 |
| Prevalence of metabolic syndrome in urban Pakistan (Karachi): comparison of newly proposed International Diabetes Federation and modified Adult Treatment Panel III criteria | Metabolic Syndrome and Related Disorders | 2009 | 42 |
| Job satisfaction among hospital doctors in Norway and Germany. A comparative study on national samples | Scandinavian Journal of Public Health | 2009 | 40 |
| Norwegian physicians' knowledge of and opinions about evidence-based medicine: cross-sectional study | PLoS ONE | 2009 | 37 |
| Sociodemographic correlates of food habits among school adolescents (12-15 year) in North Gaza Strip | BMC Public Health | 2009 | 35 |
| Bone mineral density at the hip in Norwegian women and men--prevalence of osteoporosis depends on chosen references: the Tromsø Study | European Journal of Epidemiology | 2009 | 34 |
