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Surgery
A sputum sample was brought to the laboratory for analysis. Gram stain revealed the following: rare epithelial cells, 8 to 10 polymorphonu-clear leukocytes per high-power field, and pleomorphic Gram-negative rods. As the laboratory consultant, which of the following interpretations should you make?
The sputum specimen is too contaminated by saliva to be useful
The patient has pneumococcal pneumonia
The patient has Vincent's disease
The appearance of the sputum is suggestive of Haemophilus pneumonia
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