leptospires in kidneys of surviving animals could be demonstrated in one or more hamsters treated with doxycycline , chlortetracycline , cyclacillin , and piperacillin , but in none of the animals treated with ampicillin , bacampicillin , mezlocillin , cefotaxime , and moxalactam .
C0002680
ampicillin
C0025893
mezlocillin