Ginting RYM, Purba SKR. Description of Tubex and Widal examination in patients suspect typhoid at RSUP H. Adam Malik Medan in 2023. JPS [Internet]. 2023 Dec. 28 [cited 2024 Nov. 22];6(5-si):385-92. Available from: https://journal-jps.com/new/index.php/jps/article/view/380