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This site uses cookies. More info By continuing to browse the site you are agreeing to our use of cookies. Find out more here. Advanced search Search Latest content Archive Authors About Browse by topic Email alerts Intro Pullout Text Widget BMJ Open is an online, open access journal, dedicated to publishing medical research from all disciplines and therapeutic areas. The journal publishes all research study types, from protocols through phase I trials to meta-analyses, including small, specialist studies, and negative studies. Publishing procedures are built around fully open peer review and continuous publication, publishing research online as soon as the article is ready. BMJ Open aims to promote transparency in the publication process by publishing reviewer reports and previous versions of manuscripts as pre-publication histories. Authors are asked to pay article-publishing charges on acceptance; the ability to pay does not influence editorial decisions. All papers are included in MEDLINE/PubMed and Science Citation Index Expanded (Web of Science). Current Issue Impact Factor 2.376 Authors BMJ Open accepts submissions on a range of article types, including original research, cohort profiles and protocols. The Author Information section provides specific article requirements to help you turn your research into an article suitable for BMJ Open. Information is also provided on editorial policies and open access . Author information Submit a paper Latest Articles General practice / Family practice: Workforce predictive risk modelling: development of a model to identify general practices at risk of a supply−demand imbalance 23 January, 2020 Health services research: A study of the nature and level of trust between patients and healthcare providers, its dimensions and determinants: a scoping review protocol 23 January, 2020 Pharmacology and therapeutics: Zinc acetate lozenges for the treatment of the common cold: a randomised controlled trial 23 January, 2020 Nutrition and metabolism: Adolescent undernutrition in South Asia: a scoping review protocol 23 January, 2020 Most Read Articles Paediatrics: Effects of screentime on the health and well-being of children and adolescents: a systematic review of reviews 3 January, 2019 Diabetes and endocrinology: Sex-specific prevalence, inequality and associated predictors of hypertension, diabetes, and comorbidity among Bangladeshi adults: results from a nationwide cross-sectional demographic and health survey 17 September, 2019 Public health: Missing female patients: an observational analysis of sex ratio among outpatients in a referral tertiary care public hospital in India 7 August, 2019 Mental health: Examining risk factors for self-harm and suicide in LGBTQ+ young people: a systematic review protocol 11 November, 2019 Twitter Feed BMJ_Open @BMJ_Open Zinc acetate lozenges for the treatment of the #commoncold : a randomised controlled trial #RCT https://t.co/9t79xqwMgj View on Twitter 1 3 BMJ_Open @BMJ_Open ‘Break the Chains 2015’ community-based #HIV prevention campaign for men who have sex with men in Switzerland: non-randomised evaluation and cost analysis https://t.co/8Ap4fyLY1M View on Twitter 0 0 BMJ_Open @BMJ_Open Working hours, common mental disorder and suicidal ideation among #juniordoctors in Australia: a cross-sectional survey https://t.co/PLY5RvBqtS View on Twitter 2 0 BMJ_Open @BMJ_Open Mixed methods #pilotstudy of a #low -carbohydrate #diabetes prevention programme among adults with #pre -diabetes in the USA https://t.co/cUoKdlkDuu View on Twitter 0 0 BMJ_Open @BMJ_Open Women’s leadership in academic medicine: a systematic review of extent, condition and interventions https://t.co/Ua9vFspoQX View on Twitter 4 5 BMJ_Open @BMJ_Open #Tinnitus healthcare: a survey revealing extensive variation in opinion and practices across Europe https://t.co/H1xVyORkyc View on Twitter 0 3 See More -- Press Released Articles PUBLIC HEALTH: Association between caring for grandchildren and feelings of loneliness, social isolation and social network size: a cross-sectional study of community dwelling adults in Germany 17 December, 2019 PAEDIATRICS: Vitamin D prescribing in children in UK primary care practices: a population-based cohort study 03 December, 2019 MENTAL HEALTH: Incidence of anorexia nervosa in young people in the UK and Ireland: a national surveillance study 22 October, 2019 PAEDIATRICS: Social media use and adolescent sleep patterns: cross-sectional findings from the UK millennium cohort study 22 October, 2019 EPIDEMIOLOGY: Antidepressant use during pregnancy and the risk of gestational diabetes mellitus: a nested case–control study 01 October, 2019 Blog Posts Altmetrics Related Journals BMJ Open Respiratory Research Visit this journal BMJ Open Sport & Exercise Medicine Visit this journal RMD Open Visit this journal Jobs View all jobs View all jobs View all jobs Hospital Jobs GP Jobs University & Research Jobs Content Latest content Archive Browse by topic Most read articles Responses Journal About Editorial board Sign up for email alerts Thank you to our reviewers Authors Instructions for authors Submit an article Editorial policies Open access at BMJ Instructions for reviewers BMJ Author Hub Help Contact us Reprints Permissions Advertising Feedback form Website Terms & Conditions Privacy & Cookies Contact BMJ Online ISSN: 2044-6055 Copyright © 2020 BMJ Publishing Group Ltd. 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