Additional file 1: of Intravenous ketamine for subacute treatment of refractory chronic migraine: a case series Clinton Lauritsen Santiago Mazuera Richard Lipton Sait Ashina 10.6084/m9.figshare.c.3635729_D1.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_Intravenous_ketamine_for_subacute_treatment_of_refractory_chronic_migraine_a_case_series/4439420 Sources used for the development of the Mount Sinai Beth Israel Hospital protocol for IV ketamine infusion. (DOC 23 kb) 2016-11-22 05:00:00 Additional Intravenous ketamine Mount Sinai Beth Israel Hospital protocol migraine case series Sources DOC 23  kb IV ketamine infusion subacute treatment