@article{souza_2012,  title={What is happening with the supply of oncology drugs in Brazil and the world?},  volume={34},  ISSN={1516-8484},  url={https://doi.org/10.5581/1516-8484.20120001},  DOI={10.5581/1516-8484.20120001},  number={1},  journal={Revista Brasileira de Hematologia e Hemoterapia},  publisher={Associação Brasileira de Hematologia e Hemoterapia e Terapia Celular},  author={Souza, Carmino Antonio de},  year={2012},  pages={1–2} }