RT Journal Article SR Electronic T1 Studies in the pharmacotherapy of headache JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 27 OP 33 DO 10.1212/WNL.13.3_Part_2.27 VO 13 IS 3 Part 2 A1 Arnold P. Friedman YR 1963 UL http://n.neurology.org/content/13/3_Part_2/27.abstract AB