Amelia, S.; Wahyuni, D. D.; Yunita, R.; Rozi, M. F. The Active Surveillance of Staphylococcus Aureus Using Polymerase Chain Reaction-Based Identification Method Among Hospitalized-Patient of Haji Adam Malik General Hospital, Medan, Indonesia. Open Access Maced J Med Sci 2021, 9, 622-625.