title: Cracks on the tip: an unusual complication using the fractional photothermolysis system.
authors: D H
authors: DH
authors: Kim
authors: S J
authors: SJ
authors: Lee
authors: J M
authors: JM
authors: Kang
authors: Y K
authors: YK
authors: Kim
authors: S B
authors: SB
authors: Cho
authors: M-G
authors: MG
authors: Lee
mesh_terms: D000152:Acne Vulgaris / Q000150:complications; D000328:Adult; D002921:Cicatrix / Q000209:etiology / Q000532:radiotherapy*; D004868:Equipment Failure; D005145:Face; D005260:Female; D006801:Humans; D028022:Low-Level Light Therapy / Q000009:adverse effects* / Q000295:instrumentation*; D010782:Photolysis; D012867:Skin / Q000293:injuries / Q000528:radiation effects*