Retraction notices

Prognostic value of programmed cell death ligand 1 expression in patients with head and neck cancer: A systematic review and meta-analysis

Type
Expression of concern
Notice date
11/28/2022 0:00
Journal
PLoS One
Publisher
PLoS
Notice DOI
10.1371/journal.pone.0278502
Original paper DOI
10.1371/journal.pone.0179536

Reasons