More than 1 sample in each individual
Number of samples in each individual:
2
Each individual provides two sites for the study. The control site, which is irrigated with normal saline after the initial surgical incision dressing removal. And the intervention site, which is irrigated with propolis solution after the initial surgical incision dressing removal. If the patient has more than one surgical site, one of the wounds will be randomly designated as the control site and the other as the intervention site. If there is only one surgical incision, the wound area will be divided into two parts, half as the control site and half as the intervention site.