title: Comparison of gastric contents to pulmonary aspirates for the cytologic diagnosis of Pneuomcystis carinii pneumonia.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005751:Gastric Lavage; D006801:Humans; D007165:Immunosuppression Therapy; D007223:Infant; D001239:Inhalation; D008168:Lung / Q000382:microbiology*; D009369:Neoplasms; D011010:Pneumocystis / Q000302:isolation & purification; D011020:Pneumonia, Pneumocystis / Q000175:diagnosis*; D013194:Staining and Labeling; D013270:Stomach / Q000382:microbiology*