title: Natural variations in environmental illumination in a newborn nursery.
mesh_terms: D004781:Environmental Exposure; D006749:Hospital Design and Construction; D006801:Humans; D006932:Hyperbilirubinemia / Q000628:therapy; D007231:Infant, Newborn; D008027:Light; D009725:Nurseries, Hospital; D010789:Phototherapy; D013472:Sunlight