Box 20Titles containing a Greek letter, chemical formula, or another special character

  • Reproduce the title of a database/retrieval system as closely as possible to the wording that appears on the screen, duplicating capitalization, spacing, and punctuation
    • e-Print archive
    • CD40Lbase: Mutation registry for X-linked Hyper-IgM syndrome
    • dbGaP
    • HbVar
    • eSkeletons Project
    • NCI DIS 3D Database
    • von Willebrand Disease Database
  • Retain special characters in titles when possible
    • ERGO
    • PDQ®: NCI's Comprehensive Cancer Database
  • If a title contains a Greek letter or some other symbol that cannot be reproduced with the type fonts available, substitute the name for the symbol. For example, Ω becomes omega.
    • Database of β-Amino Acids
    • may become
    • Database of Beta-Amino Acids
  • If a title contains superscripts or subscripts that cannot be reproduced with the type fonts available, place the superscript or subscript in parentheses
    • TiO2 Nanoparticles
    • may become
    • TiO(2) Nanoparticles

From: Chapter 24, Databases/Retrieval Systems/Datasets on the Internet

Cover of Citing Medicine
Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition.
Patrias K, author; Wendling D, editor.
Bethesda (MD): National Library of Medicine (US); 2007-.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.