Ключевые слова: abdomen, abdominal pain, ache, acid, anatomical, anatomy, belly, biological, biology, body, chronic, clinic, diarrhea, diet, digestion, digestive, disease, doctor, dyspepsia, gastric, gastrointestinal, health, health care, health insurance, healthy, hospital, human, inflammation, medical, medicine, organ, pain, painful, patient, person, remedy, sickness, stomach, stomachache, symptom, ulcer, unhealthy, unwell,