Table 1.
COPE retraction notice recommendations and criteria used for review.
Fig 1.
Number of retractions listed in the KoreaMed database from 1999 to 2016.
Table 2.
Reasons for retraction (n = 114).
Table 3.
Adherence of retraction notices listed in KoreaMed to the Committee on Publication Ethics (COPE) guidelines (n = 114).
Table 4.
Reasons for inappropriate retraction (n = 26).