Global upper GI series market research report, by test types (the standard barium upper GI series & double-contrast upper GI series), by type of imaging material (barium swallow, barium meal, barium follow-through), by application (esophageal reflux, esophageal varices, ulcers, hiatal hernias & others), by end users (hospitals, clinics & laboratories and other) -Forecast till 2023 更多