@inproceedings{annotationofnegationintheiulaspanish,
  title = {Annotation of negation in the IULA Spanish Clinical Record Corpus},
  author = {Montserrat Marimon and Jorge Vivaldi and N{\'u}ria Bel},
  year = {2017},
  booktitle = {WS 2017 4},
  url = {https://aclanthology.org/W17-1807},
}