Article InformationAuthors: Lerna, A.; Esposito, D.; Conson, M.; Russo, L.; Massagli, A.Year: 2012Publication: International journal of language & communication disordersVolume: 47Issue: 5Pages: 609-17DOI: 10.1111/j.1460-6984.2012.00172.x Final Quality and Data Extraction DecisionsAge: Birth to 35.9 months (0-2.9 years)36-71.9 months (3-5.9 years)Domains: CommunicationJoint attentionPlaySocialIntervention: Augmentative and alternative communicationPicture Exchange Communication System (PECS®)