@inproceedings{inproceedings, title = {{An international study of emergency physicians' practice for acute headache management and the need for a clinical decision rule}}, url = {{}}, year = {{2009}}, month = {{11}}, author = {{Perry JJ and Eagles D and Clement CM and Brehaut J and Kelly AM and Mason S and Stiell IG}}, volume = {{11}}, journal = {{CANADIAN JOURNAL OF EMERGENCY MEDICINE}}, issue = {{6}}, pages = {{516-522}}, note = {{Accessed on 2024/12/22}}}