@misc{indiciae81dddebcd83e, title = {Developmental setback in severe visual impairment.}, author = {H D Cass and P M Sonksen and H R McConachie}, year = {1994}, doi = {10.1136/adc.70.3.192}, url = {https://pubmed.ncbi.nlm.nih.gov/7510945/}, note = {Source identifier: 7510945} }