Fielda, T, Maria Hernandez-Reifa, Larissa Feijoa, Julia Freedman Prenatal, perinatal and neonatal stimulation: A survey of neonatal nurseries. lion! Behar Dent 2006 29:24-31 Grunau, IL (2002). Early pain in preterm infants. A model of long-term effects. Clinical Perinatology, 29(3), 373-94. Grunau It., L.