Investigation of risk factors for hearing impairment in premature infants
XIA Yao-Fang, LIU Cui-Qing, LI Hong-Xia, SU Jin-Zhu, AN Hui-Bo
CJCP . 2013, (12): 1050 -1053 .  DOI: 10.7499/j.issn.1008-8830.2013.12.003