19.下列何者為急性細菌性咽喉炎(pharyngitis)常見致病菌?
A. group A β-hemolytic Streptococcus
B.Streptococcus pneumoniae
C.Haemophilus influenzae
D.Moraxella catarrhalis
19.下列何者為急性細菌性咽喉炎(pharyngitis)常見致病菌?
A. group A β-hemolytic Streptococcus
B.Streptococcus pneumoniae
C.Haemophilus influenzae
D.Moraxella catarrhalis