
New research underscores the need for public health interventions to improve the microbial and fiber content of diets in the US.
Fear of dining outside the home brings this patient to see you. What's the best diagnostic tool?
A 35-year-old man presents with a 1-year history of intermittent dysphagia to solids. He is now worried about eating in restaurants for fear of food getting stuck in his esophagus. He occasionally takes an over-the-counter acid suppressant, which provides some symptom relief.
Which of the following procedures is most likely to establish a diagnosis?