[PREVENTIVE MEDICINE AND ALLERGIC DISEASES].
D006266:Health Education; D006801:Humans; D006967:Hypersensitivity; D008800:Mexico; D011315:Preventive Medicine; D011634:Public Health; D012130:Respiratory Hypersensitivity; D012141:Respiratory Tract Infections
HEALTH EDUCATION; HYPERSENSITIVITY; MEXICO; PREVENTIVE MEDICINE; PUBLIC HEALTH; RESPIRATORY HYPERSENSITIVITY; RESPIRATORY TRACT INFECTIONS
MEDICINA PREVENTIVA Y ENFERMEDADES AL'ERGICAS.