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Description
Combined ligation and sclerotherapy versus ligation alone for secondary prophylaxis of esophageal variceal bleeding: a meta-analysis
doi: 10.1186/s12876-021-01993-1
Synthetic control arms A statistical method used to estimate the outcomes of a treatment group in the absence of a traditional control group, wherein participants are not randomized to an active comparator or placebo, but data from such a group is constructed using either historical or external sources to closely resemble those undergoing treatment
10.1161/01.RES.0000257913.42552.23 Circ
doi: 10.1016/j.biocel.2009.03.013
