The therapeutic effect observation of the ultrapulsed CO2 laser in combination with Q-switch 532 nm laser on the treatment of the seborrheic keratosis
HAN Lan-qin， ZHANG Chui, ZHANG Jia-yu
Journal of Hebei Medical University . 2016, (4): 400 -403 .  DOI: 10.3969/j.issn.10073205.2016.04.008