@article{khatri_pau_o'grady_van dalen_fischer_2026,  title={Outpatient Botulinum Toxin Injection for Chronic Anal Fissure: A Single-Centre Retrospective Audit },  volume={46},  ISSN={2237-9363},  url={https://doi.org/10.1055/s-0046-1822986},  DOI={10.1055/s-0046-1822986},  number={2},  journal={Journal of Coloproctology (Rio de Janeiro)},  publisher={Sociedade Brasileira de Coloproctologia},  author={Khatri, Neeraj and Pau, Samuel and O'Grady, Michael and Van Dalen, Ralph and Fischer, Jesse},  year={2026},  pages={s00461822986} }