surveys of the use of antimicrobial drugs on students during antimicrobial drugs on students during their first 15 months in medical or dental school indicate that they have been treated with these agents at least three times as frequently as seems reasonable , and that the tetracyclines , ampicillin , penicillin g and erythromycin are the chief drugs overused .
C0002680
ampicillin
C0030827
penicillin g