Enny Nugraheni, Debbie Rizqoh, Annelin Kurniati, Lusiana Astuti, Mulya Sundari, Etty Febrianti. Case Report : Low Level ImmunoglobulinG (IgG) in reinfection COVID-19 case. JKK [Internet]. 2023 Dec. 1 [cited 2024 Oct. 5];9(3):307-10. Available from: https://jkk-fk.ejournal.unsri.ac.id/index.php/jkk/article/view/316