However, the use of painful or otherwise noxious stimuli must be carefully and thoroughly justified in the paper. Papers that do not meet these criteria will not be accepted for publication. A short title for use as running head, the full title and the full address of the author to whom correspondence should be sent are also required. Please also supply phone and fax numbers, as well as your e-mail address. When essential, they are numbered consecutively and typed at the foot of the appropriate page.
Tables require a heading and figures a legend, also prepared on a separate sheet.
Due to technical reasons, figures with a screen background should not be submitted. On the back of each illustration, indicate its number, the author s name, and 'top' with a soft pencil. Color illustrations are reproduced at the author s expense. Authors are advised to use the terminology recommended by the ISO-IEC, Nomina Anatomica and WHO list of approved names for drugs. Their use should be limited and their meaning clearly mentioned on the first occurrence.