Pneumonia: aggressive treatment is the key.
D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000451:nursing* / Q000628:therapy; D011018:Pneumonia, Pneumococcal / Q000451:nursing* / Q000628:therapy; D013183:Sputum / Q000166:cytology