Functional gastrointestinal disorders, i.e., abdominal conditions without identifiable structural etiologies, are seen frequently in primary care...
Gastrointestinal symptoms are highly prevalent, but many people who have them will have no organic explanation for their symptoms. Most of these...
https://journals.lww.com/ctg/Fulltext/2020/08000/Extragastrointestinal_Symptoms_and_Sensory.12.aspx Patients with functional gastrointestinal...
Separate names with a comma.