For the determination of AZM concentrations in skin, biopsies were performed in the trunk area of the dogs using an aseptic technique, including clipping the hair and applying a topical analgesic ointment containing 5% lidocaine
For the determination of AZM concentrations in skin, biopsies were performedin the trunk area of the dogs using an aseptic technique, including clipping the hairand applying a topical analgesic ointment containing 5% lidocaine