TY - RPRT TI - Effortful echolalia. AU - K Hadano AU - H Nakamura AU - T Hamanaka PY - 1998 DO - 10.1016/s0010-9452(08)70737-8 UR - https://pubmed.ncbi.nlm.nih.gov/9533994/ ID - 9533994 ER -