@article{placer_castillo_loizate_baixauli_echeveste_cristobal_gonzalez_suarez_navascues_2023,  title={The Efficacy of Porcine Dermal Collagen to Treat Complex Anal Fistulae. Results of a Multicenter Cohort},  volume={43},  ISSN={2237-9363},  url={https://doi.org/10.1055/s-0043-1769485},  DOI={10.1055/s-0043-1769485},  number={2},  journal={Journal of Coloproctology (Rio de Janeiro)},  publisher={Sociedade Brasileira de Coloproctologia},  author={Placer, Carlos and Castillo, Julio and Loizate, Alberto and Baixauli, Jorge and Echeveste, Ainhoa and Cristobal, Lidia and Gonzalez, Eneko and Suarez, Natalia and Navascues, Jose Maria Enriquez},  year={2023},  month={Apr},  pages={68–74} }