title: Goodnight moon: repetition and the mastery of separation.
authors.affiliation: Menninger Clinic, Topeka, KS 66601-0829, USA.
authors.forename: H
authors.initials: H
authors.lastname: Stein
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D007207:Individuation; D007223:Infant; D008297:Male; D009769:Object Attachment; D010553:Personality Development; D011574:Psychoanalytic Theory; D011575:Psychoanalytic Therapy