Counterpoint: Responding to suppositions and misunderstandings.
Gray
G C
GC
Emerging Illness Division, Naval Health Research Center, San Diego, CA 92186-5122, USA.
Knoke
J D
JD
Berg
S W
SW
Wignall
F S
FS
Barrett-Connor
E
E
D015982:Bias; D004781:Environmental Exposure / Q000009:adverse effects; D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D008889:Military Personnel / Q000706:statistics & numerical data*; D018923:Persian Gulf Syndrome / Q000453:epidemiology* / Q000209:etiology; D014481:United States / Q000453:epidemiology; D014728:Veterans / Q000706:statistics & numerical data*