Cosmic Rays
IUCN Red List
Red List of Threatened Animals
Red Tide
Ultraviolet Rays
Irradiation
Roentgen Equivalent Man (REM)
Chilling Effect
Contributory cause of death
Certifier (of cause of death)
Gamma Radiation
Country of usual residence
Excursionists (also called "same-day" visitors)
Foreign excursionists (also called "same-day visitors")
Foreign tourists
Short-term migrant
Tourists
Atmospheric Absorption
Radiation