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    Challamel, Marie Josèphe, Hartley, Sarah, Debilly, Gabriel, Lahlou, Saadi 
ORCID: 0000-0001-8114-7271 and Franco, Patricia 
  
(2020)
A video polysomnographic study of spontaneous smiling during sleep in newborns.
    Journal of Sleep Research.
    
     ISSN 0962-1105