Stein, M T Selective affective response to a parent in a 6-month-old infant. [electronic resource] - Journal of developmental and behavioral pediatrics : JDBP Oct 2001 - 316-22 p. digital Publication Type: Case Reports; Clinical Conference; Journal Article ISSN: 0196-206X Standard No.: 10.1097/00004703-200110000-00042 doi Subjects--Topical Terms: AffectCognitionCryingHumansInfantParent-Child RelationsParents--psychologyWakefulness