Do not use abbreviations, footnotes or references. List up to 5 key words. Outline statistical methods used. Identify drugs and chemicals used by generic name. If trademarks of instruments and other devices are mentioned, list manufacturer and city.
Type footnotes on the manuscript page on which they occur.
Limit this paragraph to those persons who have contributed to the scientific study. References Cite references in the order of appearance in the text using numbers in square brackets. Double check that the list of the references corresponds to the citations in the text. While it is alright to cite personal communications and unpublished data in the text, they cannot be included in the list of references. Journal abbreviations must conform to those used in Index Medicus.