“The Overview of Student Knowledge about The Importance of Inverted Pyramid Antenatal Care at Faculty of Medicine, Universitas Sumatera Utara: Gambaran Pengetahuan Mahasiswa Tentang Pentingnya Antenatal Care Piramida Terbalik Di Fakultas Kedokteran, Universitas Sumatera Utara”. 2022. Sumatera Medical Journal 5 (1). https://doi.org/10.32734/sumej.v5i1.7846.