@article{gupta_2004,  title={Infrared coagulation: a preferred option in treating early hemorrhoids},  volume={19},  ISSN={0102-8650},  url={https://doi.org/10.1590/S0102-86502004000100013},  DOI={10.1590/S0102-86502004000100013},  number={1},  journal={Acta Cirúrgica Brasileira},  publisher={Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia},  author={Gupta, Pravin J.},  year={2004},  month={Jan},  pages={74–78} }