Clusters: who, what, where, how?
Marvin L
ML
Birnbaum
D003142:Communication; D054597:Disaster Medicine / Q000458:organization & administration*; D017598:Efficiency, Organizational; D004632:Emergency Medical Services / Q000458:organization & administration* / Q000600:supply & distribution; D006295:Health Resources / Q000458:organization & administration*; D014481:United States; D014944:World Health Organization