Inriani, V., Simatupang, M. M., Sugih Arto, N. and Aldiansyah, D. (2022) “Overview of Knowledge, Attitude and Behaviour Level among Medical Students of Universitas Sumatera Utara towards Lactobacillus Casei Strain Shirota in Probiotic Drink”, Sumatera Medical Journal, 5(2). doi: 10.32734/sumej.v5i2.8013.