@misc{indiciaeb23daa05d769, title = {A computer program to aid in visual concept development in dentistry.}, author = {E S Wallen and T M Schulein and L A Johnson}, year = {1997}, doi = {10.1016/s0169-2607(96)01787-7}, url = {https://pubmed.ncbi.nlm.nih.gov/9034675/}, note = {Source identifier: 9034675} }