Leverton, Max. <br/><br/>
Sleep is not a remedial agent. 

 - Boston-US :   The Christian science publishing society,   1955. 
 - páginas 221-222 
 - Irregular 
 - Vol.53, no.9 (Sep.1955) 
 - The herald of christian science ;   no.9 .
 - The christian science publishing society. .
<br/><br/><br/>Art¡culo en: Ingles-Alemán.