- Guidelines for authors: Editorial
- Browse: 17725 | Download: 10965 | Issue Date: 2016-01-21
- Guidelines for authors: Evidence-based medicine
- Browse: 7182 | Download: 1388 | Issue Date: 2014-08-02
- Guidelines for authors: Field of vision
- Browse: 4528 | Download: 2708 | Issue Date: 2016-01-21
- Guidelines for authors: Frontiers
- Browse: 7327 | Download: 2535 | Issue Date: 2016-01-21
- Guidelines for authors: Guidelines
- Browse: 1315 | Download: 794 | Issue Date: 2019-12-02
- Guidelines for authors: Letters to the editor
- Browse: 17679 | Download: 4544 | Issue Date: 2016-01-21
- Guidelines for authors: Medical ethics
- Browse: 2578 | Download: 260 | Issue Date: 2014-08-02
- Guidelines for authors: Meta-Analysis
- Browse: 9735 | Download: 4883 | Issue Date: 2016-07-08
- Guidelines for authors: Minireviews
- Browse: 17845 | Download: 6775 | Issue Date: 2013-02-21
- Guidelines for authors: Observational study
- Browse: 21324 | Download: 12286 | Issue Date: 2014-08-02
- Guidelines for authors: Opinion Review
- Browse: 4109 | Download: 1057 | Issue Date: 2019-12-02
- Guidelines for authors: Original articles
- Browse: 11092 | Download: 0 | Issue Date: 2013-01-04
- Guidelines for authors: Prospective study
- Browse: 12510 | Download: 5019 | Issue Date: 2014-08-02
- Guidelines for authors: Randomized clinical trial
- Browse: 7235 | Download: 1804 | Issue Date: 2014-08-02
- Guidelines for authors: Randomized controlled trial
- Browse: 6017 | Download: 1641 | Issue Date: 2016-01-21
- Guidelines for authors: Retraction note
- Browse: 1068 | Download: 146 | Issue Date: 2018-01-30
- Guidelines for authors: Retrospective cohort study
- Browse: 14008 | Download: 7662 | Issue Date: 2016-01-21
- Guidelines for authors: Retrospective study
- Browse: 21534 | Download: 14968 | Issue Date: 2016-01-21
- Guidelines for authors: Review
- Browse: 31978 | Download: 20862 | Issue Date: 2016-01-21
- Guidelines for authors: Scientometrics
- Browse: 5395 | Download: 1953 | Issue Date: 2016-01-21