TY - JOUR AU - Helm-Estabrooks, Nancy, Co-Editor in chief TI - The Problem of Perseveration SN - 0734-0478 SN - 1098-9056 PY - 2004 JO - Semin Speech Lang JF - Seminars in Speech and Language LA - EN VL - 26 IS - 04 SP - 289 EP - 290 DA - 2004/12/15 DO - 10.1055/s-2004-837241 UR - http://www.thieme-connect.de/products/ejournals/abstract/10.1055/s-2004-837241 ER -