title: Infant arousal in an en face exchange with a new partner: effects of prematurity and perinatal biological risk.
authors.forename: M R
authors.initials: MR
authors.lastname: Killeen
mesh_terms: D001143:Arousal / Q000502:physiology*; D005149:Facial Expression; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000502:physiology* / Q000523:psychology*; D009034:Mother-Child Relations; D012307:Risk Factors