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Opicapone versus entacapone: Head-to-head retrospective data-based comparison of healthcare resource utilization in people with Parkinson's new to COMT inhibitor treatment
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Opioid prescribing for cancer pain during the last 3 months of life: associated factors and 9-year trends in a nationwide United Kingdom cohort study
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Opioid use for noncancer pain and risk of fracture in adults: a nested case-control study using the general practice research database
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Opioid use for noncancer pain and risk of myocardial infarction amongst adults
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Opioid use prior to total knee replacement: comparative analysis of trends in England and Sweden
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Opioids and risk of type 2 diabetes in adults with non-cancer pain
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Opportunities and Challenges in Developing a Cohort of Patients with Type 2 Diabetes Mellitus Using Electronic Primary Care Data
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Opportunities for reducing emergency diagnoses of colon cancer in women and men: A data-linkage study on pre-diagnostic symptomatic presentations and benign diagnoses
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Opportunities to diagnose chronic obstructive pulmonary disease in routine care in the UK: a retrospective study of a clinical cohort
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Opportunities to reduce antibiotic prescribing for patients with COPD in primary care: a cohort study using electronic health records from the Clinical Practice Research Datalink (CPRD)
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Optimal strategies for monitoring lipid levels in patients at risk or with cardiovascular disease: a systematic review with statistical and cost-effectiveness modelling
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Optimising prediction of mortality, stroke, and major bleeding for patients with atrial fibrillation: validation of the GARFIELD-AF tool in UK primary care electronic records
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Optimising use of electronic health records to describe the presentation of rheumatoid arthritis in primary care: a strategy for developing code lists
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Oral and inhaled glucocorticoid use and risk of Achilles or biceps tendon rupture: a population-based case-control study
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Oral antibiotic use and risk of colorectal cancer in the United Kingdom, 1989-2012: a matched case-control study
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Oral bisphosphonate use and age-related macular degeneration: retrospective cohort and nested case-control study
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Oral bisphosphonates and risk of cancer of oesophagus, stomach, and colorectum: case-control analysis within a UK primary care cohort
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Oral contraceptives and venous thromboembolic disease. Analyses of the UK General Practice Research Database and the UK Mediplus database
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Oral corticosteroids and fracture risk: relationship to daily and cumulative doses
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Otitis externa in UK general practice: a survey using the UK General Practice Research Database
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