Keep abbreviations to a minimun. Style of Writing. Authors whose first language is not English should arrange for their manuscripts to be written in idiomatic English prior to submission. Refer to patients by number. No names or initials should be used.
All measurements are to be in metric units.
Authors are requested, when referring to types of headache, to use the terminology developed by the Headache Classification Committee of the International Headache Society. If a reference is cited more than once, subsequent citations should be to the original number. All references must be cited in the text or tables. Personal communications and unpublished observations are not acceptable as references, but can be indicated in the text. Volume and edition numbers and name of translator should be included if appropriate.