Clinical problem-solving. Failure to respond--a 52-year-old man presented to his primary care physician with dyspnea and cough.
Ezzie ME, Janssen WJ, O'Brien JM, Fox CC, Schwarz MI. Clinical problem-solving. Failure to respond--a 52-year-old man presented to his primary care physician with dyspnea and cough. N Engl J Med. 2008 Jan 03; 358(1):70-4.