• References should be listed in numerical order at the end of the manuscript. Refer to other sections of this page for examples of how to cite different sources.
  • Dates are abbreviated using only the first three letters of the month (e.g. Mar, Sep).
  • Titles of journals should be abbreviated according to the style used in Index Medicus. The list of abbreviations for journals can be found here. Book titles are not abbreviated.
  • In NLM 2nd edition 2007, there is no style applied to citations. No italic, No bold, No underline at all.

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