We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleClassification and clinical features of headache disorders in Pakistan: a retrospective review of clinical data.AuthorsMurtaza M; Kisat M; Daniel H; Sonawalla ABPublicationPloS one, 2009, Vol 4, Issue 6, pe5827ISSN1932-6203Publication typearticleDOI10.1371/journal.pone.0005827