[The diagnostic contribution of echocardiography at a district hospital].
D000328:Adult; D000368:Aged; D004452:Echocardiography; D005069:Evaluation Studies as Topic; D005260:Female; D006767:Hospitals, District; D006801:Humans; D008297:Male; D008875:Middle Aged; D009664:Norway
Diagnostisk nytte av ekkokardiografi i lokalsykehus.