Dose and time-response effect of photobiomodulation therapy on glycemic control in type 2 diabetic patients combined or not with hypoglycemic medicine: A randomized, crossover, double-blind, sham-controlled trial

光生物调节疗法联合或不联合降糖药物治疗2型糖尿病患者，其剂量和时间反应效应对血糖控制的影响：一项随机、交叉、双盲、假手术对照试验