Asayama-Kosaka, Sachiko Photodynamic Therapy with 5% δ-Aminolevulinic Acid is Safe and Effective Treatment of Acne Vulgaris in Japanese Patients. [electronic resource] - Laser therapy Jul 2014 - 115-20 p. digital Publication Type: Journal Article ISSN: 0898-5901 Standard No.: 10.5978/islsm.14-OR-09 doi