A same ethical approval number of SDTHEC2024004013 was found to be shared by three articles [1, 2, 3] from Shandong Cancer Hospital and Institute, an investigation by the 5GH Team reveals.
A same ethical approval number (XMYY-2024KYSB090) in three articles [1, 2, 3] coauthored by YE Guanzhi (叶冠志) et. al., with The First Affiliated Hospital of Xiamen University. However, This ethical approval is questionable.