TY - JOUR AU - Waring, R; Knight, R TI - How should children with speech sound disorders be classified? A review and critical evaluation of current classification systems JO - Int J Lang Commun Disord IS - 01 VL - 48 PY - 2013 DO - 10.1111/j.1460-6984.2012.00195.x L3 - PubMed-ID: 23317382 SP - 25 EP - 40 ER -