Impact of low hemoglobin on the development of contrast-induced nephropathy: A retrospective cohort study. - JINZHONG XU; MEILING ZHANG; YINGHUA NI; JIANA SHI; RANRAN GAO; FAN WANG; ZHIBING DONG; LINGJUN ZHU; YANLONG LIU; HUIMIN XU (Experimental & Therapeutic Medicine, 2016)