all were treated with tetracycline , and patients with the resistant strains purged longer ( mean , 37 vs. 25 hr ; p less than 0.01 ) and in greater volume ( mean 4.3 vs. 2.3 liters ; p less than 0.01 ) and their controls with cholera due to susceptible strains .
C0039644
tetracycline
C0008354
cholera