Diffey, B. L., Ultraviolet radiation in medicine B.L. Diffey. - Bristol: Hilger in collaboration with the Hospital Physicists' Association, 1982. - ix,163pages : illustrations ; 22cm. - Medical physics handbooks 11 . Includes index Bibliography: pages 154-157 ISBN: 0852745354 Subjects--Topical Terms: Ultra--violet rays--Therapeutic use.Ultra--violet rays--Physiological effect.Phototherapy.