@misc{indiciaedc928a7c8181, title = {Vertical lip changes from maxillary incisor retraction.}, author = {J D Jacobs}, year = {1978}, doi = {10.1016/0002-9416(78)90061-1}, url = {https://pubmed.ncbi.nlm.nih.gov/281142/}, note = {Source identifier: 281142} }