@misc{indiciaee17573227a63, title = {A method of measuring the apical base.}, author = {H G Sergl and W J Kerr and J H McColl}, year = {1996}, doi = {10.1093/ejo/18.5.479}, url = {https://pubmed.ncbi.nlm.nih.gov/8942097/}, note = {Source identifier: 8942097} }