View of Frequency of Helicobacter Pylori Infection Among Asymptomatic Adults Men With Sulfur Mustard Induced Respiratory Diseases in Iranian Veterans: C13-Urea Breathed Test With New Infrared Spectroscopy: A Case– Control Study

Frequency of Helicobacter Pylori Infection Among Asymptomatic Adults Men With Sulfur Mustard Induced Respiratory Diseases in Iranian Veterans: C13-Urea Breathed Test With New Infrared Spectroscopy: A Case– Control Study