title: Common signs and symptoms, and a diagnosis that is often overlooked.
authors.affiliation: Bettie Coplan is an assistant professor in the PA program at Midwestern University, Glendale, Arizona, and practices as a PA in gastroenterology. She has indicated no relationships to disclose relating to the content of this article.
authors.forename: Bettie
authors.initials: B
authors.lastname: Coplan
mesh_terms: D015746:Abdominal Pain / Q000209:etiology; D000328:Adult; D018798:Anemia, Iron-Deficiency / Q000209:etiology*; D002446:Celiac Disease / Q000150:complications / Q000175:diagnosis* / Q000178:diet therapy; D002908:Chronic Disease; D003248:Constipation / Q000209:etiology*; D005260:Female; D006261:Headache / Q000209:etiology; D006801:Humans; D013281:Stomatitis, Aphthous / Q000209:etiology