1. Use the style of the examples below, which are based on the formats used by the US National Library of Medicine in Index Medicus. The titles of journals should be abbreviated according to the style used in Index Medicus. Consult List of Journals Indexed in Index Medicus, published annually as a separate publication by the library and as a list in the January issue of Index Medicus; also see the list of journal titles and abbreviated titles
2. Try to avoid using abstracts as references; "unpublished observations" and "personal communications" may not be used as references, although references to written, not oral, communications may be inserted (in parentheses) in the text. Include among the references papers accepted but not yet published; designate the journal and add "in press";(in parentheses).
3. authors when six or less; when seven or more, list only first three and add et al.);You; CH, Lee K.Y.; RY, Chey; R, Menguy;Gastroenterology; Electrogastrographic study of patients with unexplained nausea, bloating and vomiting,1980
4. Corporate author The Royal Marsden Hospital Bone-Marrow Transplantation Team. Failure of syngeneic bone-marrow graft without preconditioning in post-hepatitis marrow aplasia;Lancet,1977
5. No author given