PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Gastroenterology and Hepatology Oncology Surgery and Surgical Specialties Tomasz Guzel PeerJ Author Summary Anatomy & Physiology Drugs & Devices Emergency & Critical Care Epidemiology Gastroenterology & Hepatology Oncology Surgery & Surgical Specialties PeerJ Contributions Articles 1 July 30, 2021 Brain derived neurotrophic factor declines after complete curative resection in gastrointestinal cancer Tomasz Guzel, Katarzyna Mech, Marzena Iwanowska, Marek Wroński, Maciej Słodkowski https://doi.org/10.7717/peerj.11718 PubMed 34395067