@misc{indiciaef0a8c71cccb4, title = {1993 JCO orthodontic practice study. Part 3. Practice growth.}, author = {E L Gottlieb and A H Nelson and D S Vogels}, year = {1993}, url = {https://pubmed.ncbi.nlm.nih.gov/8056863/}, note = {Source identifier: 8056863} }