Virological confirmation of concurrent dengue virus serotypes 1 and 4 by virus isolation using Fc-gamma receptor-expressing BHK cells oleh Meng Ling Moi, Yasuko Honma, Satomi Mori, Toshiki Kuze, Masumi Kanekawa, Takayoshi Isoda, Naoko Moriwaki, Takeshi Hosogai, Akira Kotaki, Ichiro Kurane, Masayuki Saijo, Satoru Miyake, Tomohiko Takasaki