THE AGE OF ONSET OF AMBIVALENCE IN EARLY INFANCY: INDICATIONS FROM THE STUDY OF LAUGHING.
D000339:Affect; D017668:Age of Onset; D004644:Emotions; D006801:Humans; D007223:Infant; D007845:Laughter; D011573:Psychoanalytic Interpretation
EMOTIONS; INFANT; LAUGHTER; PSYCHOANALYTIC INTERPRETATION