["Ozone holes"--ultraviolet radiation--heliotherapy].
Slutskaia
G F
GF
Slutskiĭ
V I
VI
D004463:Ecology; D004781:Environmental Exposure / Q000009:adverse effects; D006294:Health Resorts; D006370:Heliotherapy; D006801:Humans; D010126:Ozone; D012621:Seasons; D014466:Ultraviolet Rays / Q000009:adverse effects*
D010126:Ozone