@inproceedings{liu-etal-2021-sent2span-span,
    title = "{S}ent2{S}pan: Span Detection for {PICO} Extraction in the Biomedical Text without Span Annotations",
    author = "Liu, Shifeng  and
      Sun, Yifang  and
      Li, Bing  and
      Wang, Wei  and
      Bourgeois, Florence T.  and
      Dunn, Adam G.",
    editor = "Moens, Marie-Francine  and
      Huang, Xuanjing  and
      Specia, Lucia  and
      Yih, Scott Wen-tau",
    booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2021",
    month = nov,
    year = "2021",
    address = "Punta Cana, Dominican Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/add-emnlp-2024-awards/2021.findings-emnlp.147/",
    doi = "10.18653/v1/2021.findings-emnlp.147",
    pages = "1705--1715"
}