Are we ordering too many tests?
D002309:Cardiology / Q000706:statistics & numerical data; D003955:Diagnostic Tests, Routine / Q000295:instrumentation*; D005762:Gastroenterology / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D008875:Middle Aged; D009449:Neurocirculatory Asthenia / Q000209:etiology; D010808:Physical Examination / Q000191:economics*