Ключевые слова: aerosol, air, asthma, asthmatic, background, black, boy, breath, breathe, breathing, bronchial, care, caucasian, child, clinic, cough, cure, device, difficulty, equipment, face, flu, health, illness, inhalation, inhaler, jet, kid, mask, medical, medicine, nebuliser, nebulizer, oxygen, patient, portrait, respiratory, steam, therapy, treatment, vapor, vapour,