Emergency warning lights and sirens.
R C
RC
Hunt
L H
LH
Brown
T W
TW
Whitley
N H
NH
Prasad
C F
CF
Owens
D000552:Ambulances; D003625:Data Collection; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D006801:Humans; D008029:Lighting; D012107:Research Design; D013016:Sound; D013997:Time Factors; D014187:Transportation of Patients / Q000706:statistics & numerical data*; D014504:Urban Health