Ключевые слова: abdomen, abdominal, ache, allergic, allergy, avoid, bad, belly, bloating, calcium, cow, cramps, dairy, diarrhea, diet, digestive, disease, drink, enzyme, food, gas, glass, health, human, hurt, illness, intestine, intolerance, intolerant, lactase, lactose, medical, milk, nausea, pain, patient, prebiotic, probiotic, products, sickness, small, stomach, stomachache, stop, sugar, symptom, system, unhealthy, white, woman,