GEORGE VASH, M.D.
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To the editor: Question 250 (page 896 of the December ANNALS) states that "the pleural exudate shows numerous chains of Gram-positive cocci." Yet your "correct" answer (A) presupposes that these organisms are staphylococci. This is an error. Staphylococci do not come in chains. Gram-positive cocci in chains are streptococci. Hence the correct answer is (B), since penicillin is the drug of choice for streptococcic infections.
VASH G. Question of the Month: Wrong Answer. Ann Intern Med. ;74:454. doi: 10.7326/0003-4819-74-3-454_1
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Published: Ann Intern Med. 1971;74(3):454.
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