OSCAR B. GARFEIN, M.D.; EDWARD M. DWYER JR., M.D.
To the editor: Aronow and his associates (1) present rather imperfect data to support their basic premise that carbon monoxide inhalation while driving on the Los Angeles freeway system will diminish work capacity by the heart afflicted with coronary artery disease. There are several points to be made.
1. The test and control experiences may not be comparable. Breathing ambient, possibly foul-smelling air normally through one's mouth may not be psychically or physiologically equivalent to breathing presumably different-smelling, purified, compressed air through a face mask with a pressure-cycled respirator. One cannot a priori presume to know in what manner these
GARFEIN OB, DWYER EM. Continuation of "Angina Pectoris and Carbon Monoxide". Ann Intern Med. ;78:613. doi: 10.7326/0003-4819-78-4-613_1
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Published: Ann Intern Med. 1973;78(4):613.
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