In addition to indexable words in the title, no more than six key words should accompany the abstract. Except in unusual situations, the manuscript should be divided into Introduction, Methods, Results, and Discussion. Long stretches of text should be broken by suitable subheadings but subheadings should not be overused. The abstract eliminates the need for a summary or conclusion. Unusual symbols should be avoided.
Authors are responsible for verifying references against the original documents.
References must be numbered consecutively in the order in which they first appear in the text, and identified in the text by arabic numerals in parentheses. References cited only in tables or legends should be numbered in accordance with a sequence corresponding to the first mention of the table or figure in the text. The reference list must be double-spaced. Citations in the reference list are to be in the form used by the U.S. National Library of Medicine and Index Medicus . Thorsen E, Risberg J, Segadal K, Hope A. Effects of venous gas microemboli on pulmonary gas transfer function.