@incollection{Mostafa18, author = {Diana Mostafa}, title = {Botulinum Toxin in Dentistry}, booktitle = {Botulinum Toxin}, publisher = {IntechOpen}, address = {Rijeka}, year = {2018}, editor = {Nikolay Serdev}, chapter = {6}, doi = {10.5772/intechopen.78950}, url = {https://doi.org/10.5772/intechopen.78950} }