title: The challenge of studying the biology of complex, symptom-based GI disorders.
authors.forename: Emeran A
authors.initials: EA
authors.lastname: Mayer
mesh_terms: D000818:Animals; D035843:Biomedical Research / Q000639:trends; D003299:Cooperative Behavior; D004195:Disease Models, Animal; D017615:Enteric Nervous System / Q000503:physiopathology; D005767:Gastrointestinal Diseases / Q000145:classification / Q000150:complications / Q000503:physiopathology*; D006801:Humans; D033183:Interdisciplinary Communication; D010641:Phenotype; D009626:Terminology as Topic