Text, tables and figures must be consistent and not repetitious. The discussion should be concise, explaining the significance of the findings and their relation to previous work. It should analyze the results, indicating statistical or clinical significance and the implications. Statements should be supported by the internal data or by published references. Shortcomings should be indicated.
Speculation is to be avoided.
The references are to be cited consecutively in the text in superscript Arabic numerals and listed in numerical order at the end of the text, following the discussion. Once a reference is cited, all subsequent citations to it should use the original reference number. Authors are responsible for bibliographic accuracy and must check every reference in the manuscript and proofread each reference in the page proofs. Authors must have read cited works. Reference format and abbreviations of journal names should follow Index Medicus .