³í¹®(Selective sebaceous gland electrothermolysis using a single microneedle radiofrequency device for acne patients: A prospective randomized controlled study) Áß¾Ó´ëÇб³º´¿ø(º´¿øÀå ÀÌÇÑÁØ) ÇǺΰú ±è¹üÁØ ±³¼ö ¿¬±¸ÆÀ(¾È°¡¶÷ ÇǺΰú Àü¹®ÀÇ)