International guidelines

Rest of the world

Narrowband ultraviolet B phototherapy[65]

Published by:British Association of Dermatologists and British Photodermatology Group

Last published:2022

Sunlight exposure: risks and benefits[67]

Published by:National Institute for Health and Care Excellence (NICE)

Last published:2016

Guidelines for the safe and effective use of psoralen-ultraviolet A therapy[66]

Published by:British Association of Dermatologists and British Photodermatology Group

Last published:2015

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