Working Group For Essential Medicines
P Tfelt-Hansen (chairman)
H-C Diener, Department of Neurology, University of Duisburg-Essen, Hufelandstr. 55, 45147 Essen, Germany;
K Ravishankar, The Headache and Migraine Clinic, Jaslock Hospital and Research Centre, 15 Dr Deshmukh Marg, Pedder Road, Mumbai 400 026, India;
SD Silberstein;
M Vincent.


