Scientific unit converter

• SI unit converter (common units and medical tests): https://academic.oup.com/amamanualofstyle/si-conversion-calculator

Emojis

• GetEmoji (copy and paste emojis on the web): https://getemoji.com/

Literature tools

• NLM PubMed: https://pubmed.ncbi.nlm.nih.gov/

• NLM Medical Subject Headings (MeSH browser): https://meshb.nlm.nih.gov/

• NLM Journal Browser (by topic/broad subject terms): https://journal-reports.nlm.nih.gov/broad-subjects/

• Science Citation Index: https://www.scijournal.org/

Publication guidelines and ethics

• Equator Network: Enhancing the Quality and Transparency of Health Research (study reporting guidelines and checklists): https://www.equator-network.org/

• Good Publications Practice: https://www.ismpp.org/gpp-2022

• Committee on Publication Ethics: https://publicationethics.org/

Study registries

• WHO International Clinical Trials Registry Platform: https://www.who.int/clinical-trials-registry-platform

• List of primary registries: https://www.who.int/clinical-trials-registry-platform/network/primary-registries

• China: http://www.chictr.org.cn/

• EU: https://www.clinicaltrialsregister.eu/ctr-search/search

• India: http://ctri.nic.in/

• Japan: https://jrct.niph.go.jp/

• Pan-African registry: https://pactr.samrc.ac.za/

• South Korea: https://cris.nih.go.kr/cris/info/introduce.do?search_lang=E&lang=E

• UK: https://www.isrctn.com/

• US: https://clinicaltrials.gov/

Medical writer associations and committees

• European Medical Writers Association: https://www.emwa.org/

• Australasian Medical Writers Association: https://www.medicalwriters.org/

• American Medical Writers Association: https://www.amwa.org/

• International Society for Medical Publication Professionals: https://www.ismpp.org/

• International Committee of Medical Journal Editors: https://www.icmje.org/

Medical writer style guides

• American Medical Association (AMA) Manual of Style (purchase/subscription may be required): https://academic.oup.com/amamanualofstyle

• Council of Science Editors (CSE) Manual (purchase/subscription may be required): https://www.csemanual.org/Home.html

• American Psychological Association Style Guide (purchase/subscription may be required): https://apastyle.apa.org/

• Medical Writing – A Prescription for Clarity (book/ebook available for purchase) – an excellent guidebook for writers and editors: https://www.cambridge.org/us/universitypress/subjects/medicine/medicine-general-interest/medical-writing-prescription-clarity-4th-edition?format=PB

English language

• UK and US spelling differences: https://www.dictionary.com/e/british-english-vs-american-english/ and https://en.wikipedia.org/wiki/American_and_British_English_spelling_differences

• Cambridge English dictionary & thesaurus: https://dictionary.cambridge.org/

• Oxford English dictionary & thesaurus: https://www.oed.com/

• Merriam-Webster English dictionary & thesaurus: https://www.merriam-webster.com/

• Dorland’s medical dictionary (for spelling; purchase for definitions; purchase/subscription may be required): https://www.dorlandsonline.com/dorland/home