title: Sleep disturbance and father hunger in 18- to 28-month-old boys: the Erlkönig syndrome.
mesh_terms: D002675:Child, Preschool; D005219:Father-Child Relations; D006801:Humans; D007223:Infant; D008297:Male; D010333:Paternal Deprivation; D011575:Psychoanalytic Therapy; D012893:Sleep Wake Disorders / Q000523:psychology*