Ung, K E Behavioural disorders in childhood: a Singapore perspective. [electronic resource] - Annals of the Academy of Medicine, Singapore Mar 2001 - 155-63 p. digital Publication Type: Journal Article; Review ISSN: 0304-4602 Subjects--Topical Terms: ChildChild Behavior Disorders--psychologyChild, PreschoolHumansPsychology, ChildSingapore