Malau SE, Simanjuntak SM. The Hand Hygiene And Bacterial Colonies Count Of ICCU’ Visitors Hands: As An Indicator For Nosocomial Infection Prevention. KJN [Internet]. 2019May20 [cited 2025Nov.27];1(1):71-7. Available from: https://ejournal.unklab.ac.id/index.php/kjn/article/view/381