@article{bonan_pires_lopes_di hipólito jr_2003,  title={Evaluation of salivary flow in patients during head and neck radiotherapy},  volume={17},  ISSN={1517-7491},  url={https://doi.org/10.1590/S1517-74912003000200011},  DOI={10.1590/S1517-74912003000200011},  number={2},  journal={Pesquisa Odontológica Brasileira},  publisher={Sociedade Brasileira de Pesquisa Odontológica e Faculdade de Odontologia da Universidade de São Paulo},  author={Bonan, Paulo Rogério Ferreti and Pires, Fábio Ramoa and Lopes, Márcio Ajudarte and Di Hipólito Jr, Osvaldo},  year={2003},  month={Apr},  pages={156–160} }