TY - RPRT TI - A case study in developing ambulation in a profoundly retarded child. AU - J Loynd AU - A Barclay PY - 1970 DO - 10.1016/0005-7967(70)90092-6 UR - https://pubmed.ncbi.nlm.nih.gov/5421735/ ID - 5421735 ER -