Analysis of the composition and trend in patients with tumor in a thirdlevel gradeA hospital in Hebei during 2007 to 2016
 
WANG Weijie1， ZHAO Jing2， LIU Shuying2， JING Fengmin1， CAO Lijuan1， ZHI Xiao3*
Journal of Hebei Medical University . 2019, (4): 416 -420 .  DOI: 10.3969/j.issn.10073205.2019.04.009