@article{cardoso_pereira_iversen_ramos_2014,  title={What is gold standard and what is ground
               truth?},  volume={19},  ISSN={2176-9451},  url={https://doi.org/10.1590/2176-9451.19.5.027-030.ebo},  DOI={10.1590/2176-9451.19.5.027-030.ebo},  number={5},  journal={Dental Press Journal of Orthodontics},  publisher={Dental Press International},  author={Cardoso, Jefferson Rosa and Pereira, Ligia Maxwell and Iversen, Maura Daly and Ramos, Adilson Luiz},  year={2014},  month={Sep},  pages={27–30} }