Pellatt, RAF, Kamona, S, Chu, K, et al. The Headache in Emergency Departments study: Opioid prescribing in patients presenting with headache. A multicentre, cross-sectional, observational study. Headache. 2021; 00: 1¨C 16.
Pellatt, RAF, Kamona, S, Chu, K, et al. The Headache in Emergency Departments study: Opioid prescribing in patients presenting with headache. A multicentre, cross-sectional, observational study. Headache. 2021; 00: 1¨C 16.