TY - RPRT TI - Comparison of a 755-nm picosecond laser and a 1565-nm nonablative fractional laser for the treatment of atrophic acne scars: a 20-week prospective, randomized, split-face clinical study. AU - Junfeng Qi AU - Xinying Li AU - Xia Shu AU - Bingni Zhou AU - Zhouna Li PY - 2026 DO - 10.1007/s10103-026-05015-y UR - https://pubmed.ncbi.nlm.nih.gov/42684489/ ID - 42684489 ER -