Additional file 1 of Assessing the quality and integrating the evidence and strength of recommendations in the guidelines for gastric precancerous lesions
Xrn1 knock out A549 cells were infected with WT A/Puerto Rico/8/1984 (H1N1) ("PR8"), or PA-X deficient PR8-PA(∆X) viruses, or mock infected for 16 hours before RNA extraction. 5’RACE was then performe
