Sugishita, Yoshiyuki, Takuri Takahashi, Narumi Hori, and Mitsuru Abo. “Ongoing Rubella Outbreak Among Adults in Tokyo, Japan, June 2012 to April 2013”. Western Pacific Surveillance and Response 4, no. 3 (August 1, 2013). Accessed May 14, 2024. https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/104.