Establishment of poor effect model and external validation of oral propranolol in the treatment of infantile hemangioma

LIU Zhi-jia, , JIA Jin-fu, FENG Wei, WANG Hao-jie, , ZHANG Shu-jian, LIU Zhi-jie, ZHAN Jiang-hua△

Tianjin Medical Journal . 2020, (10): 992 -996 . DOI: 10.11958/20201006