Singhi, P D1992-11-012009-05-271992-11-012009-05-271992-11-01Singhi PD. Angelman's "happy puppet" syndrome. Indian Pediatrics. 1992 Nov; 29(11): 1424-6http://imsear.searo.who.int/handle/123456789/12775engAngelman Syndrome --diagnosisChild, PreschoolHumansMaleAngelman's "happy puppet" syndrome.Case Reports