Heroes on call.
Sherrard
Linda Johnson
LJ
D000062:Accidents, Occupational / Q000517:prevention & control / Q000523:psychology*; D000328:Adult; D004632:Emergency Medical Services / Q000592:standards*; D004634:Emergency Medical Technicians / Q000523:psychology*; D006801:Humans; D008875:Middle Aged; D016272:Occupational Health; D012449:Safety; D013315:Stress, Psychological / Q000517:prevention & control*; D014481:United States