Assertion: natural penicillin | /r/HasProperty | active
Facets:
value: against staphylococci
type: TRANSITIVE-OBJECT
value: against gram-positive streptococci
type: TRANSITIVE-OBJECT
Source sentences:
text: Natural penicillins are active against gram-positive streptococci, staphylococci, and some gram-negative bacteria such as meningococcus.
text: Natural penicillins are active against gram-positive streptococci, staphylococci, and some gram-negative bacteria such as meningococcus.