@article{cardoso_villela_1940,  title={A provitamina A (β - caroteno) do azeite de dendê: (Eloeis melanoccoca, GÄRT)},  volume={35},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761940000400005},  DOI={10.1590/S0074-02761940000400005},  number={4},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Cardoso, Humberto T. and Villela, Gilberto G.},  year={1940},  pages={771–778} }