Observational Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Apr 14, 2017; 23(14): 2625-2634
Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2625
Figure 1
Figure 1 Age-specific incidence rates of upper gastrointestinal cancer in Hebei Province, 2013.