APA citiranje

Song, X., Song, X., Liu, K., Liu, K., Yang, S., Yang, S., . . . Hu, J. (2020). Prognostic Value of Changes in Preoperative and Postoperative Serum CA19-9 Levels in Gastric Cancer. Frontiers Media S.A.

Citação norma Chicago

Song, Xiao-Hai, et al. Prognostic Value of Changes in Preoperative and Postoperative Serum CA19-9 Levels in Gastric Cancer. Frontiers Media S.A, 2020.

MLA citiranje

Song, Xiao-Hai, et al. Prognostic Value of Changes in Preoperative and Postoperative Serum CA19-9 Levels in Gastric Cancer. Frontiers Media S.A, 2020.