Letter to the Editor | Open AccessTumour Necrosis Factor-Alpha Polymorphism Increases the Risk for Nonvariceal Upper Gastrointestinal Bleeding in Patients Taking Proton Pump Inhibitors
Mamatha Bhat,1Yidan Lu,1Valérie Marcil,2Devendra Amre,3Myriam Martel,4Ernest G Seidman,4and Alan Barkun5
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