Abdulloh Najich, Arief Bakhtiar, Muhammad Amin Departemen Pulmonologi dan Kedokteran Respirasi, Fakultas Kedokteran Universitas Airlangga, RSUD Dr. Soetomo, Surabaya Abstract Background: Asthma is a serious public health problem in the world, its prevalence is increasing in areas away from the equator, the effect of exposure to ultraviolet (UV) from the sun as protection of allergies. […]