@misc{indiciae10fdc8af0068, title = {New guidelines for preparation taper.}, author = {M H Parker and M J Calverley and F M Gardner and R B Gunderson}, year = {1993}, doi = {10.1111/j.1532-849x.1993.tb00383.x}, url = {https://pubmed.ncbi.nlm.nih.gov/8374714/}, note = {Source identifier: 8374714} }