title: Pneumocystis carinii: the urgency of early diagnosis.
mesh_terms: D001344:Autopsy; D001706:Biopsy; D005260:Female; D005334:Fever / Q000209:etiology; D006801:Humans; D008168:Lung / Q000473:pathology; D008709:Methenamine; D008875:Middle Aged; D009929:Organ Size; D011010:Pneumocystis / Q000302:isolation & purification; D011020:Pneumonia, Pneumocystis / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D011650:Pulmonary Alveoli / Q000473:pathology; D013194:Staining and Labeling; D013997:Time Factors
chemical_list: D008709:Methenamine