Authors: Haag, BG Baar, H Grotemeyer, KH Pfaffenrath, V Ribbat, MJ Diener, HC

Citation: Bg. Haag et al., Prophylaxis and treatment of drug-induced persistent headache. Therapy recommendation of the German Society for Migraine and Headache, SCHMERZ, 13(1), 1999, pp. 52-57