Related by context. Frequent words. (Click for all words.) 63 METHODS 58 Techniques 56 Methodology 56 Meta Analysis 55 Main Outcome Measures 55 Randomized Controlled Trial 55 Method 54 Lesion 54 Conclusions 52 Systematic Review 52 Mechanisms 52 Correlates 51 METHOD 51 Approaches 50 logistic regression 50 Solid Tumors 50 Determinants 50 Types 50 Autologous 50 methods 50 Multicenter 50 Methodologies 50 Study Identifies 50 Morphology 49 Usefulness 49 biopsy specimens 49 Comparative Analysis 49 Inhibits 49 Randomized 49 Processes 48 Algorithms 48 Technique 48 Efficacy 48 Scientists Identify 48 Blood Flow 48 Cortical 48 Researchers Identify 48 Characterization 48 Myocardial 48 Procedures 48 Quantification 48 Relationship Between 47 Substrates 47 Ischemic 47 Cancer Cells 47 Patterning 47 prospective observational 47 Uterine 47 Affective 47 Carotid 47 Non Invasive 46 Three Dimensional 46 Constraint 46 Behaviors 46 Researchers Develop 46 Correlated 46 Inhibit 46 Effectiveness 46 Occlusion 46 Patterns 46 Embryonic Stem Cells 46 Sonography 46 Mammalian 46 Virtual Environments 46 Apparatus 46 multivariate analyzes 46 Quantum Dots 46 scintigraphy 46 Neuronal 46 Randomization 46 Carbon Nanotubes 46 Small Molecule 46 Cancer Treatments 46 Objectives 46 Preoperative 45 gene expression profiles 45 Combination Therapy 45 Predictors 45 Perfusion 45 Clinical Outcomes 45 Electrode 45 Gene Expression 45 Cyclic 45 Brain Cells 45 Induced 45 Bladder Cancer 45 techniques 45 Postoperative 45 retrospective cohort study 45 Study Examines 45 Nucleic Acid 45 Induces 45 method 45 Parameters 45 Fully Automated 45 prospective cohort 45 Transfusions 45 Regulates 45 Procedure 45 Study Indicates 45 Reduces Risk