Better records needed for Gulf veterans' health research.
D016208:Databases, Factual; D006801:Humans; D016347:Medical Records Systems, Computerized; D008877:Middle East; D015969:National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division; D016273:Occupational Exposure; D011159:Population Surveillance; D012106:Research; D014481:United States; D014728:Veterans; D014857:Warfare