VitD-ez Duration of Vitamin D Synthesis in Human Skin

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Version 1.0, Copyright © 2005 Ola Engelsen
Norwegian Institute for Air Research, Email:

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Time and location

Month Day

Latitude (degs N) Longitude (degs E) Search for your location's decimal longitudes and latitudes as well as weather

Sky condition

Ozone layer thickness

Surface altitude km. Range [0.0-6.0] km

Surface type

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