Hughes, P C <br/><br/>
Lighting for the elderly: a psychobiological approach to lighting.  [electronic resource] 

 -  Human factors  Feb 1981 
 - 65-85 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0018-7208 
<br/><br/><label>Standard No.: </label>10.1177/001872088102300107  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aging<br/>Calcium--metabolism<br/>Cholecalciferol--biosynthesis<br/>Color<br/>Humans<br/>Hypocalcemia--etiology<br/>Light<br/>Lighting--standards<br/>Osteoporosis--etiology<br/>Sunlight<br/>Ultraviolet Rays<br/>Vision, Ocular--physiology<br/>Vitamin D--metabolism<br/>Vitamin D Deficiency--metabolism