Resistance and aerobic exercise intervention during chemotherapy in patients with metastatic cancer: a pilot study in South Korea - Park, Joo-Hwan; Park, Ki Deok; Kim, Jin-Hong; Kim, Young Saing; Kim, Eun Young; Ahn, Hee Kyung; Park, Inkeun; Sym, Sun Jin (Annals of Palliative Medicine, 2021)