Any identifiable subject in a photograph must sign a release form before the photograph can be used. Obtaining this release is the responsibility of the author. Legends should be double-spaced on a page by themselves at the end of the manuscript, and figures must be cited in the text. While all sets of photographs and slides are returned whenever possible, we cannot guarantee that more than one set will be returned. Photographs will be returned after they have been reproduced for publication.
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References should be numbered alphabetically in the reference list and cited by the number at the appropriate place in the text. Abbreviations of the names of the journals should conform to Index Medicus . Journal titles should be cited as they existed at the time of publication. Unlisted journals should not be abbreviated. The authors are responsible for the accuracy of references.