Sihombing, Y. R., Romauli Anna Teresia Marbun, Lenni Rismayanti, Ratih Anggraeni, Octavian Ashido Nababan, & Kristian Cahayani Zebua. (2024). Comparison Of Naso Faring And Oro Pharynx Swab Samples On Positivity Rate For Covid – 19 With The Reverse Transcription Method Pcr (Rt–Pcr) In The Lab. Rsud Pcr. City Padang Sidempuan. JURNAL FARMASIMED (JFM), 6(2), 106–114. https://doi.org/10.35451/jfm.v6i2.2021