@article{akar_2018,  title={Is serum angiotensin converting enzyme level a useful non-invasive marker for liver fibrosis in patients with chronic hepatitis C?},  volume={64},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.64.03.224},  DOI={10.1590/1806-9282.64.03.224},  number={3},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Akar, Tarik},  year={2018},  month={Mar},  pages={224–229} }