[Introduction--emergency ultrasonography].
Mathis
Gebhard
G
D004452:Echocardiography / Q000295:instrumentation*; D004630:Emergencies; D004867:Equipment Design; D005060:Europe; D006801:Humans; D010348:Patient Care Team; D019095:Point-of-Care Systems; D012680:Sensitivity and Specificity; D014463:Ultrasonography / Q000295:instrumentation*; D014947:Wounds and Injuries / Q000000981:diagnostic imaging