percent penetration [ 100 x ( cf peak/serum peak ) ] of cf was least after intramuscular ampicillin and amoxicillin , was greatest after intrachamber ampicillin and intramuscular aqueous procaine penicillin g , and was related to duration of antibiotic concentration gradients from serum to cf .
C0002645
amoxicillin
C0002680
ampicillin