Y. . Zhang, F. . Huang, N. . Xu, J. . Wang, D. . Li, and L. . Yin, “Overexpression of serum extracellular vesicle microRNA-215-5p is associated with early tumor recurrence and poor prognosis of gastric cancêr”, Clinics, vol. 76, p. e2081, Nov. 2021, doi: 10.6061/clinics/2021/e2081.