title: Environmental control and prevention of respiratory allergy: evidence and obstacles.
authors: Nelson
authors: N
authors: Rosário
mesh_terms: D000485:Allergens; D001249:Asthma / Q000517:prevention & control*; D004781:Environmental Exposure / Q000517:prevention & control*; D006801:Humans; D015201:Meta-Analysis as Topic; D012220:Rhinitis / Q000517:prevention & control*
chemical_list: D000485:Allergens