We are adopting the Citing Medicine for the citation as well as referencing with a slight modification of Vancouver style as advocated by National Center for Biotechnology Information (NCBI) and U.S. National Library of Medicine (NLM).  [https://www.ncbi.nlm.nih.gov/books/NBK7256/. One example of Journal article referencing is shown below.

Referencing the journal article in Vancouver style: The hyperlinked DOI, PubMed, PMC, Google Scholar, Full Text are mandatory for each references wherever applicable. Example of hyperlinked doi is: https://doi.org/10.1186/s12884-020-02870-7 [Google Scholar] | [PubMed] | [PMC]  [Web link] should be present at the end of each reference.  

How to cite a Journal article in Vancouver style?

Less than six authors:

• Sharma D, Amgain K, Panta PP. Hemoglobin levels and anemia evaluation among pregnant women in the remote and rural highlands of mid-western Nepal: a hospital-based study. BMC Pregnancy and Childbirth. 2020; 20(1):1-7. https://doi.org/10.1186/s12884-020-02870-7   [Google Scholar] | [PubMed] | [PMC]  [Web Link]

More than six authors:

• Amgain K, Subedi P, Yadav GK, Neupane S, et al. Association of Anthropometric Indices with Menstrual Abnormality among Nursing Students of Nepal: A Cross-Sectional Study. Journal of Obesity. 2022;2022:1-8. https://doi.org/10.1155/2022/6755436 [Google Scholar] [PubMed] [PMC]
  

How to cite a Website in Vancouver style?

Template: Author Surname Author Initial. Title [Internet]. Year Published [cited Date Accessed]. Available from: http://Website URL
Example: Gaudin S. How moon landing changed technology history [Internet]. Computerworld UK. 2009 [cited 15 June 2014]. Available from: http://www.computerworlduk.com/in-depth/it-business/2387/how-moon-landing-changed-technology-history/

How to cite a Book in Vancouver style?

Template: Surname Author Initial. Title. City: Publisher; Year Published.
Example: Mangan J, Lalwani C, Butcher T. Global logistics and supply chain management. Hoboken, N.J.: Wiley; 2011.

The International Committee of Medical Journal Editors (ICMJE) offers guidance to authors in its publication Recommendations for the Conduct, Reporting, Editing and Publication of Scholarly Work in Medical Journals (ICMJE Recommendations), which was formerly the Uniform Requirements for Manuscripts. The recommended style for references is based on the National Information Standards Organization NISO Z39.29-2005 (R2010) Bibliographic References as adapted by the National Library of Medicine for its databases. Details, including fuller citations and explanations, are in Citing Medicine.  Following links will guide you through all types of references with their examples;

Reference Types

• Articles in Journals
• Books and Other Monographs
• Other Published Material
• Unpublished Material
• Electronic Material

Source: https://www.nlm.nih.gov/bsd/uniform_requirements.html