D K Ziegler, R Hassanein, K Hassanein. Show Affiliations »
Abstract
Entities: Disease
Mesh: See more » AdultFactor Analysis, StatisticalHeadache/etiologyHumansMigraine Disorders/etiologySurveys and Questionnaires
Year: 1972 PMID: 4650931 DOI: 10.1016/0021-9681(72)90029-x
Source DB: PubMed Journal: J Chronic Dis ISSN: 0021-9681