Ключевые слова: allergens, allergic, allergy, animal, asthma, attack, background, care, cat, causes, chemical, cigarette, cockroach, collage, concept, contact, cough, detergent, diagnosis, disease, domestic, environment, exacerbation, feline, flower, hair, health, help, hygiene, illness, inhalant, insect, medical, medications, medicine, mold, odors, pet, plant, pollen, prevention, problem, respiratory, set, smoke, spring, symptoms, text, therapy, treatment,