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We evaluated the clinical value of polymerase chain reaction (PCR) for screening Pneumocystis carinii pneumonia (PCP) in non-HIV-infected immunocompromised patients. We retrospectively analyzed PCR and Grocott's methenamine silver (GMS) staining on 1044 clinical specimens obtained from 756 patients. Positive rates of PCR and GMS staining in sputum specimens(More)
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