An evaluation of a combined terrestrial/satellite EMS communications system: medical aspects, Part II.
D000407:Alabama; D000704:Analysis of Variance; D003327:Coronary Disease / Q000517:prevention & control*; D004631:Emergency Medical Service Communication Systems; D004632:Emergency Medical Services; D005069:Evaluation Studies as Topic; D006801:Humans; D008145:Louisiana; D008922:Mississippi