Jochen Kruppa

The optimal cut‐off values for tumor size, number of lesions, and CEA levels in patients with surgically treated colorectal cancer liver metastases: An international, multi‐institutional study

P. Lønning, I. Endo, P. Kornprat, 2021, Journal of surgical oncology.

The time interval between primary surgery and adjuvant therapy determines prognosis of oral squamous cell carcinomas.

H. Schliephake, P. Kauffmann, B. Hemmerlein, 2015, Oral oncology.