Authors: Bruno Estigarribia; Joanne Erwick Roberts; John Sideris; Johanna Price Journal: Int J Lang Commun Disord Date: 2011 Mar-Apr Impact factor: 3.020
Authors: Elizabeth Barnes; Joanne Roberts; Steven H Long; Gary E Martin; Mary C Berni; Kerry C Mandulak; John Sideris Journal: J Speech Lang Hear Res Date: 2009-08 Impact factor: 2.297