title: Severe sleep problems among infants.
authors.affiliation: Division of Child Development and Rehabilitation, University of Pennsylvania, School of Medicine, Philadelphia, USA. blum@email.chop.edu
authors.forename: N J
authors.initials: NJ
authors.lastname: Blum
mesh_terms: D002668:Child Rearing; D006801:Humans; D007223:Infant; D012893:Sleep Wake Disorders / Q000209:etiology