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Haemophilus parainfluenzae, Penicillinase Negative

Any bacterial species identified as Haemophilus parainfluenzae that does not produce the enzyme penicillinase.
National Institutes of Health

Papers overview

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1985
1985
One hundred and eighty eight isolates of Haemophilus influenzae and 187 isolates of H parainfluenzae from patients with cystic…