[Emergency medical services and the specialty].
Kihara
Yasuki
Y
D004501:Education, Medical; D004503:Education, Medical, Graduate; D004635:Emergency Medicine / Q000193:education*; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D006801:Humans; D007388:Internal Medicine / Q000193:education*; D007564:Japan / Q000453:epidemiology; D013038:Specialization