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. 2016 Feb 17;6:21714. doi: 10.1038/srep21714

Figure 5. AgNP biliary stent prolonged the unobstructed period and survival in vivo.

Figure 5

(a) Biliary dilatations in both the intrahepatic and extrahepatic bile duct (top) and biliary stent position in the common bile duct (below) at one month after the operation were observed with B ultrasound. (b) The percentage of biliary obstruction occurrence in the AgNP group and the control group were compared using a Kaplan-Meier survival curve. (c) The Kaplan-Meier survival curve demonstrated the survival function in sixteen pigs from the AgNPs group versus the control group.