CJCP     2021 23 (12):  1234-1241    ISSN: 1008-8830  CN: 43-1301/R Follow-up study of preterm infants with thyroid dysfunction after medication LI Feng-Chao, DUAN Jian-Ying, ZHANG Yin-Hong, HAN Si-Qi, MA Xiao-Lin, CAI Shi-Yan, LI Li Department of Pediatrics, First People's Hospital of Yunnan Province, Kunming 650032, China Received: 2021-08-02  Revised: null  Online: null Supporting info null