@misc{indiciaea2efb8c7f2b0, title = {Shy, withdrawn, or autistic?}, author = {D M Hall and P Hill}, year = {1991}, doi = {10.1136/bmj.302.6769.125}, url = {https://pubmed.ncbi.nlm.nih.gov/1995127/}, note = {Source identifier: 1995127} }