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September 1984

Ultraviolet Radiation in Medicine

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Arch Dermatol. 1984;120(9):1246. doi:10.1001/archderm.1984.01650450128042

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Ultraviolet Radiation in Medicine is a concise discussion of the history, physics, biological effects, and medical applications of UV light.

The initial chapter on the history of UV radiation is well written. The major difficulty I have with the book first appears in the second chapter on the production of UV irradiation. An overabundance of highly sophisticated mathematics is interlaced with some poorly defined concepts to create confusion for the reader. A paragraph beginning on page 20 exemplifies both problems.

The function F(λ, h, x). This function has been empirically derived from the data presented by Bener (1972) and is not meant to represent mathematically any physical phenomenon.

It has been found that the function may adequately be represented by

F(λ, h, x) = exp[—μ(χ — 0.32)Q],

where μ = exp[0.135(320 — X) — 0.4345]. The parameter Q is given by either Q = 1.0 for λ ≥ 330 nm....

The discussion of

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