Dermatology-Venereology and Allergy 108 Central Military Hospital Hanoi Vietnam;
Dermatology-Venereology Department Bach Mai Hospital Hanoi Vietnam;
Dermatology-Venereology and Allergy 108 Central Military Hospital Hanoi Vietnam;
Pham Ngoc Thach University of Medicine Ho Chi Minh City Vietnam;
Dermatology-Venereology and Allergy 108 Central Military Hospital Hanoi Vietnam;
Dermatology-Venereology Department Bach Mai Hospital Hanoi Vietnam;
Acne Vulgaris; He-Ne Laser; Clindamycin;