Humphris,  Francis Howard <br/><br/>
Artificial sunlight and its therpeutic uses/ 
Francis Howard Humphris 
 - 5th ed. 
 - London:  Oxford University Press,  1929 
 - xxi, 340 p.;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solar readiation--Physiological effect<br/>Sunshine--Therapeutic use<br/>Physical therapy
<br/><br/><label>Dewey Class. No.: </label>615.831