When not doing tests is the right thing to do.
Gibbons
R J
RJ
D020000:Decision Support Systems, Clinical / Q000191:economics / Q000592:standards; D004452:Echocardiography / Q000191:economics / Q000592:standards / Q000706:statistics & numerical data*; D004562:Electrocardiography / Q000191:economics / Q000592:standards; D006331:Heart Diseases / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D011237:Predictive Value of Tests; D011379:Prognosis; D014481:United States; D018487:Ventricular Dysfunction, Left / Q000175:diagnosis* / Q000209:etiology