Fig. 1From: Opisthorchiasis with proinflammatory cytokines (IL-1β and TNF-α) polymorphisms influence risk of intrahepatic cholangiocarcinoma in Thailand: a nested case-control studyPolymorphisms in IL-1β C-511T and TNF-α G-308A were analyzed using the polymerase chain reaction with high resolution melting analysis (PCR-HRM)Back to article page