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16. Sleepiness and sleep onset REM periods in the absence of clinical symptomatology. Rosenthal L, Folkerts M, Roehrs T, Zorick F, Roth T. Biol Psychiatry; 1994 Sep 01; 36(5):341-3. PubMed ID: 7993961 [No Abstract] [Full Text] [Related]
17. REM periodicity under ultrashort sleep/wake cycle in narcoleptic patients. Lavie P. Can J Psychol; 1991 Jun 01; 45(2):185-93. PubMed ID: 1873757 [Abstract] [Full Text] [Related]