 @article{graeff_lui_zucco_alves_forcelini_dalmolin_2021,  title={Clock drawing test: comparison between the Pfizer and the Shulman systems},  volume={15},  ISSN={1980-5764},  url={https://doi.org/10.1590/1980-57642021dn15-040009},  DOI={10.1590/1980-57642021dn15-040009},  number={4},  journal={Dementia & Neuropsychologia},  publisher={Academia Brasileira de Neurologia, Departamento de Neurologia Cognitiva e Envelhecimento},  author={Graeff, Daniela Bertol and Lui, Jéssica Maldaner and Zucco, Nathália Dal Prá and Alves, Ana Luisa Sant’Anna and Forcelini, Cassiano Mateus and Dalmolin, Bernadete Maria},  year={2021},  month={Oct},  pages={480–484} }