Ключевые слова: abdominal, ache, anatomy, aphthae, awareness, bacteria, cancer, chronic, cramp, diagnosis, digestion, digestive, disease, emergency, health, health care, healthcare, illness, immune, infection, inflammation, insurance, internal, liver, medical, medicine, microbiology, modern, mouth, organ, pain, pathology, regional, sick, sign, stomach, symptom, syndrome, system, therapy, tummy,