RussellMB, RasmussenBK, ThorvaldesenP, OlesenJ.Prevalence and sex-ratio of the subtypes of migraine. Int J Epidemiol1995; 24: 612–18
2.
World Bank Health in developing countries: successes and challenges.World Development Report 1993: Investing in Health.New York: Oxford University Press, 17-35
3.
RasmussenBK, JensenR, OlesenJ.Impact of headache on sickness absence and utilization of medical services: a Danish population study. J Epidemiol Commun Health1992; 42: 443–6
4.
SandriniG, FredianiF, RossiF, BussoneG, SternieriE, NappiG.Economic aspects of drug abuse/misuse in headache patients. Funct Neurol1992; 6: 17–21
5.
ReljaG, NiderG, Chiodo GrandiF, KoscicaN, NegroC, MuscoG.Sumatriptan abuse can lead to a headache induced by chronic substance abuse: description of 8 cases. Second EHF Conference 1994, Liege, June 1994: 127
6.
HornungG, GutscherH.Medicamenten abusus: Ergebnisse einer Rereprasentativehebung in der deutschsprachigen Schweia. Drogalkohol1984 (Lausanne): 83–124
7.
SteinerTJ, CounturierEGM, CatarciT, HeringR.Social aspects of drug abuse in headache. Funct Neurol1992; 7/6: 11–14
8.
De LissovoyG, LazarusSS.The economic cost of migraine. Present state of knowledge. Neurology1994; 44 Suppl 4: S56–62
9.
LiptonRB, StewartW, CelentanoDD, ReedML.Undiagnosed migraine headaches. A comparison of symptom-based and reported physician diagnosis. Arch Int Med1992; 152: 1273–8
SjaastadO.A “school of headache” concept, practical arrangements, and experiences with a systematic education in headache research and clinical practice. Funct Neurol1993; 7: 185–90
12.
GerberWD, SchoenenJ, NappiG, AntonaciF.Directory of the European Headache Centres1997; in press
13.
European Neurological Network.European Commission for the Evaluation of Telematics Applications Programme Proposals, 1995
14.
MohlT.Proceedings of the Third European Headache Federation Conference, Forte Village June 1996. Cephalalgia1997, submitted
15.
ManzoniGC, GranellaF, SandriniG, LocatiD, TellariniM, ZanferrariC. Disability, physician consultation and medication use in headache patients. A nationwide Italian survey amongst pharmacy users. Second EHF Conference, Liege, June 1994: 91
16.
World Health Organization.Neurology and Public Health. Mental Health News1995, World Health Organization, Geneva, 5