Do you dare to continue on the present track?
D006801:Humans; D009316:National Institutes of Health (U.S.) / Q000458:organization & administration*; D009462:Neurology; D009493:Neurosurgery; D010036:Otolaryngology / Q000639:trends; D012109:Research Support as Topic / Q000191:economics* / Q000639:trends; D014481:United States