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. Author manuscript; available in PMC: 2022 Jun 2.
Published in final edited form as: Proc Conf. 2021 Jun;2021:4972–4984. doi: 10.18653/v1/2021.naacl-main.395

Table 8:

Example of artifacts found in generated PLS.

Hallucination: The evidence is up-to-date as of February 2016. We found seven studies, involving 1839 participants, that compared home-based treatment with hospital-based care for venous thromboembolism.
Misspelling: The review authors provided no information on other important outcomes, including gastro-oesophageal reflux, aspiration pneumonia, necrotise enterulitis…
Repetition: However, we were not able to combine their results because of the small number and small number of people in the included studies.