1.
Klugman KP, Keddy K, Le Cam NB, Hansford F. Long term serological response to Vi vaccine and protective immunity. Med J Indones [Internet]. 1998 Oct. 1 [cited 2025 May 11];7(Supp1):88. Available from: http://mji.ui.ac.id/journal/index.php/mji/article/view/1045