Ground zero: 'it felt like hell'.
Winsness
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D000223:Adaptation, Psychological; D001291:Attitude of Health Personnel; D001359:Aviation; D006801:Humans; D009519:New York City; D009722:Nurse Practitioners / Q000523:psychology*; D018635:Rescue Work / Q000458:organization & administration; D023481:Terrorism / Q000523:psychology*; D014838:Volunteers / Q000523:psychology*