@misc{indiciae3a969b608ad6, title = {A rapid method for describing the efficacy of early intervention programs for developmentally disabled children.}, author = {D Sommers and G McGregor and E Lesh and S Reed}, year = {1980}, url = {https://pubmed.ncbi.nlm.nih.gov/6166830/}, note = {Source identifier: 6166830} }