APA

Porter V., Zahid A., Mackie B. & McNamara D. A. (20101210). Results of a prospective comparison pilot validation study of a low-dose tablet formulation 13C urea and citric acid breath test employing a novel automated nondispersive isotope selective infrared spectroscopy analyser for the diagnosis of Helicobacter pylori infection. : European journal of gastroenterology & hepatology.

Chicago

Porter Victoria, Zahid Ali, Mackie Barbara and McNamara Deirdre Ann. 20101210. Results of a prospective comparison pilot validation study of a low-dose tablet formulation 13C urea and citric acid breath test employing a novel automated nondispersive isotope selective infrared spectroscopy analyser for the diagnosis of Helicobacter pylori infection. : European journal of gastroenterology & hepatology.

Harvard

Porter V., Zahid A., Mackie B. and McNamara D. A. (20101210). Results of a prospective comparison pilot validation study of a low-dose tablet formulation 13C urea and citric acid breath test employing a novel automated nondispersive isotope selective infrared spectroscopy analyser for the diagnosis of Helicobacter pylori infection. : European journal of gastroenterology & hepatology.

MLA

Porter Victoria, Zahid Ali, Mackie Barbara and McNamara Deirdre Ann. Results of a prospective comparison pilot validation study of a low-dose tablet formulation 13C urea and citric acid breath test employing a novel automated nondispersive isotope selective infrared spectroscopy analyser for the diagnosis of Helicobacter pylori infection. : European journal of gastroenterology & hepatology. 20101210.