| Intra-abdominal hypertension and the abdominal compartment syndrome: updated consensus definitions and clinical practice guidelines from the World Society of the Abdominal Compartment Syndrome | Intensive Care Medicine | 2013 | 843 |
| Understanding patients' adherence-related beliefs about medicines prescribed for long-term conditions: a meta-analytic review of the Necessity-Concerns Framework | PLoS ONE | 2013 | 606 |
| British Thoracic Society guideline for diagnostic flexible bronchoscopy in adults: accredited by NICE | Thorax | 2013 | 414 |
| Competing risks model in early screening for preeclampsia by biophysical and biochemical markers | Fetal Diagnosis and Therapy | 2013 | 359 |
| Fetal fraction in maternal plasma cell-free DNA at 11-13 weeks' gestation: relation to maternal and fetal characteristics | Ultrasound in Obstetrics and Gynecology | 2013 | 244 |
| Maternal age and adverse pregnancy outcome: a cohort study | Ultrasound in Obstetrics and Gynecology | 2013 | 204 |
| Risk stratification tools for predicting morbidity and mortality in adult patients undergoing major surgery: qualitative systematic review | Anesthesiology | 2013 | 197 |
| Melatonin augments hypothermic neuroprotection in a perinatal asphyxia model | Brain | 2013 | 187 |
| Meta-analysis of second-trimester markers for trisomy 21 | Ultrasound in Obstetrics and Gynecology | 2013 | 164 |
| Combined screening for preeclampsia and small for gestational age at 11-13 weeks | Fetal Diagnosis and Therapy | 2013 | 159 |
| Comparison of 68Ga-DOTANOC and 68Ga-DOTATATE PET/CT within patients with gastroenteropancreatic neuroendocrine tumors | Journal of Nuclear Medicine | 2013 | 153 |
| Quantification of Myocardial Perfusion Reserve Using Dynamic SPECT Imaging in Humans: A Feasibility Study | Journal of Nuclear Medicine | 2013 | 135 |
| Glucagon-like peptide-1 receptor imaging for the localisation of insulinomas: a prospective multicentre imaging study | Lancet Diabetes and Endocrinology,the | 2013 | 130 |
| Benefits and adverse events in younger versus older patients receiving neoadjuvant chemotherapy for osteosarcoma: findings from a meta-analysis | Journal of Clinical Oncology | 2013 | 119 |
| Implementation of maternal blood cell-free DNA testing in early screening for aneuploidies | Ultrasound in Obstetrics and Gynecology | 2013 | 108 |
| The second ESGAR consensus statement on CT colonography | European Radiology | 2013 | 104 |
| Non-invasive prenatal testing for Down's syndrome: pregnant women's views and likely uptake | Public Health Genomics | 2013 | 94 |
| Cancer risk among children born after assisted conception | New England Journal of Medicine | 2013 | 85 |
| First-trimester contingent screening for trisomy 21 by biomarkers and maternal blood cell-free DNA testing | Ultrasound in Obstetrics and Gynecology | 2013 | 83 |
| Recent advances in hypertension in sub-Saharan Africa | Heart | 2013 | 80 |
| Patient-satisfaction measures in anesthesia: qualitative systematic review | Anesthesiology | 2013 | 79 |
| Mesenchymal stem cell survival in the infarcted heart is enhanced by lentivirus vector-mediated heat shock protein 27 expression | Human Gene Therapy | 2013 | 74 |
| Vitamin D and risk of death from vascular and non-vascular causes in the Whitehall study and meta-analyses of 12,000 deaths | European Heart Journal | 2013 | 72 |
| Association of placental perfusion, as assessed by magnetic resonance imaging and uterine artery Doppler ultrasound, and its relationship to pregnancy outcome | Placenta | 2013 | 71 |
| Safe, accurate, prenatal diagnosis of thanatophoric dysplasia using ultrasound and free fetal DNA | Prenatal Diagnosis | 2013 | 67 |
