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535Dearborn Avenue . . . Chicago, Ill. Cable Address . . . . "Medic, Chicago" Subscription price . . . . . Five dollars per annum in advance For other information see second page following reading matter SATURDAY, FEBRUARY 3, 1912ALTITUDE AND BLOOD-CORPUSCLES The response of tlie human organism to altitude, as exemplified in an increase in the number of red blood-cells (erythrocytes) in the circulation, is familiarly pointed out as a useful compensatory reaction. The cll'ect of a diminished partial pressure of oxygen accompanying the rarefaction of Ihe atmosphere is equalized by (lie linger ahsorliing surface furnished by the increased nuniher of oxygen-carrying cells. The facts here cited have played a part in the attempt to explain the physiologic effects of mountain resorts and elevated plateaus; and various Iherapeiilic gains have lieen ascribed to them. The published statistics for the
A Sat, study studied this question.