Zaetun, Siti, Lalu Sri Gede, Ms. Agrijanti, Ayu Anulus, and Kadeq Novita Prajawanti. 2017. “Sensitivity Test and Specificity Invention Gram Negative Rods With Gram Staining for Screening Test of Urinary Tract Infection (UTI)”. Asian Journal of Applied Sciences 5 (1). https://www.ajouronline.com/index.php/AJAS/article/view/4361.