Long, T. B., Hoàng, N., Tú, N. H., Luận, Đào T., & Hưng, N. Đăng. (2021). Gastrointestinal bleeding due to Primary gastrointestinal choriocarcinoma (PGC) in male: a case report and review of literature. Journal of Medical Research, 143(7), 221-226. https://doi.org/10.52852/tcncyh.v143i7.663