1.
Dangoni Filho I, Arantes HF, D´Orto UC, Marques LSF, Arantes BS, Peres MFP. Feasibility of intravenous ketamine infusion for refractory headache. Headache Med [Internet]. 2019 Sep. 30 [cited 2024 Apr. 20];10(3):70-2. Available from: https://headachemedicine.com.br/index.php/hm/article/view/28