Comparison of isotretinoin and viaminate in the treatment of moderate to severe acne vulgaris:a multiple-centre,randomized,double-blind,comparative clinical trial
ZHONG Hua, HE Li, WANG Wei-zhen, XU Ai-e, YI Dong, WANG Li, ZHOU Cun-jian, LI Hong-bin, XU Yan-hua, WANG Xiang-dong, HUANG Meng, SHAN Yun-yun, CHEN Jun-fan, HAO Fei
Chinese Journal of Dermatology . 2006, (10): 574 -576 .