[The psychology of sucking habits].
D005386:Fingersucking / Q000502:physiology; D006184:Habits; D006801:Humans; D007858:Learning / Q000502:physiology; D009042:Motivation / Q000502:physiology; D011574:Psychoanalytic Theory; D011584:Psychology; D013391:Sucking Behavior / Q000502:physiology
Psychologie der Lutschgewohnheiten.