Authors: Gerth, WC Carides, GW Dasbach, EJ Visser, WH Santanello, NC

Citation: Wc. Gerth et al., The multinational impact of migraine symptoms on healthcare utilisation and work loss, PHARMACOECO, 19(2), 2001, pp. 197-206

Authors: Ahrens, SP Farmer, MV Williams, DL Willoughby, E Jiang, K Block, GA Visser, WH

Citation: Sp. Ahrens et al., Efficacy and safety of rizatriptan wafer for the acute treatment of migraine, CEPHALALGIA, 19(5), 1999, pp. 525-530

Authors: Tfelt-Hansen, P Teall, J Rodriguez, F Giacovazzo, M Paz, J Malbecq, W Block, GA Reines, SA Visser, WH

Citation: P. Tfelt-hansen et al., Oral rizatriptan versus oral sumatriptan: A direct comparative study in the acute treatment of migraine, HEADACHE, 38(10), 1998, pp. 748-755