@inproceedings{overviewofthefourthsocialmediamining,
  title = {Overview of the Fourth Social Media Mining for Health (SMM4H) Shared Tasks at ACL 2019},
  author = {Davy Weissenbacher and Abeed Sarker and Arjun Magge and Ashlynn Daughton and Karen O{'}Connor and Michael J. Paul and Gonzalez-Hern and Graciela ez},
  year = {2019},
  booktitle = {WS 2019 8},
  url = {https://aclanthology.org/W19-3203},
}