【单选题】A 65-year-old slightly cyanotic man presents to his physician complaining of ruritus and nose bleeds. A blood test reveals a hematocrit of 62%, leading to the diagnosis of polycythemia vera. Treatment...
【简答题】One man tells of driving on a long and lonely road, the last 65 miles of it unpaved, in order to watch Indian dances in the state of Arizona. After the dances, he returned to his car only to find that...