Objective to get the total effective rate of adjuvant therapy of zinc gluconate in the persistent and chronic diarrhea in infants Methods The 84 patients were divided into two groups in random.One was the control group, the other was treatment group.The control group used the normal treatment, normal treatment was used by the other one, added zinc gluconate.Results The total effective rate of the treatment group was signif icantly higher than the other group.The time to stop diarrhea and the total treatment...