Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Feb 14, 2016; 22(6): 2118-2125
Published online Feb 14, 2016. doi: 10.3748/wjg.v22.i6.2118
Figure 1
Figure 1 Flow diagram of study cohort. 1The first claim with a diagnosis code for carcinoid syndrome during 2003-2011 was defined as the index date.