Effect of monovalent cations on type specificity transformation in pneumococci.
D002414:Cations, Monovalent; D006801:Humans; D011188:Potassium / Q000494:pharmacology*; D012964:Sodium / Q000494:pharmacology*; D013296:Streptococcus pneumoniae
D002414:Cations, Monovalent; D012964:Sodium; D011188:Potassium
DIPLOCOCCUS PNEUMONIAE; POTASSIUM/effects; SODIUM/effects