[On the appearance of S and R variants in meningitis caused by Haemophilus influenzae].
D006192:Haemophilus Infections; D006193:Haemophilus influenzae; D006801:Humans; D007239:Infections; D008581:Meningitis / Q000209:etiology*
HAEMOPHILUS INFLUENZAE/infection; MENINGITIS/etiology