To facilitate communication between the authors, editors and publisher, the author should furnish a telephone and fax number and an e-mail address. Following the abstract not more than 5 key words should be supplied. They should be representative of the content and be characteristic of the terminology used within the particular field of study. All references cited in the text, but only those, are to be listed at the end of the paper in alphabetical order under the first author's name. They should be typed in double-line spacing.
Chronological order is used for more than one work by the same author or team of authors.
Works by two authors should also be listed alphabetically according to the second author's name. Journal titles should be abbreviated according to Index Medicus . When styling references, the following examples should be followed. Investigations of the cholinergic-adrenergic balance in affective disorders. New results in depression research.