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2. Evidence for a functional role for active (REM) sleep in infancy;Denenberg;Sleep,1981
3. An analysis of sleep and waking in the first months of life;Dittrichova,1982
4. Neonatal polygraphy in full-term and premature infants: A review of normal and abnormal findings;Lombroso;J Clin Neurophysiol,1985
5. Development of states in infants;Parmelee,1972