“SERUM-FREE MEDIA FOR PROPAGATION OF DENGUE TYPE 2 VIRUS IN VERO CELLS: Zainullah R Abubakar1,2, Yutaka Sasaki1, Takashi Odagiri1, Naoto Yoshino1, Viska I Iskandar1,2, Shigehiro Sato1 and Yasushi Muraki1”. The Southeast Asian Journal of Tropical Medicine and Public Health, vol. 51, no. 6, Nov. 2020, p. 854, https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/104.