Keywords: Knoke1.jpg graph This is taken from the Center for Disease Control's paper Hospitalizations for Unexplained Illnesses among U S Veterans of the Persian Gulf War by James D Knoke and Gregory C Gray Naval Health Research Center San Diego California USA http //www cdc gov/ncidod/eid/vol4no2/knoke htm PD-USGov original upload log page en wikipedia Knoke1 jpg 2006-06-23 02 24 Stan Ison 980×774×8 99151 bytes <nowiki>This is taken from the Center for Disease Control's paper Hospitalizations for Unexplained Illnesses among U S Veterans of the Persian Gulf War by James D Knoke and Gregory C Gray Naval Health Research Center San Diego California USA http //ww</nowiki> Medical graphs Diagrams in English Gulf war syndrome |