it is demonstrated that ( during or after successful therapy of pneumocystis carinii pneumonia ) a specific cultural examination of specimens from the respiratory tract for cr . neoformans is needed , in order to recognize a cr . neoformans infection in its primary stage , i.e . before hematogenous dissemination of cr . neoformans leading to the secondary stage of the infection .
C1535939
pneumocystis carinii pneumonia
C0035237
respiratory tract