[1]
N. S. Harahap, N. Simatupang, and S. Suprayitno, “The Effect of Physical Activity and Red Dragon Fruit (Hylocereus polyrhizus) in Red Blood Cell and Hemoglobin in Trained People”, Open Access Maced J Med Sci, vol. 9, no. A, pp. 42–46, Jan. 2021.