2026. Overview of Knowledge of Mothers Who Have New Babies Born 0 -7 Days About Maintenance Umbilical Cord Surgery at Partner Clinic St. Elisabeth College of Health Sciences Medan in 2025. Journal Of Global Research Publications. 2, 2 (Jun. 2026), 63–72. DOI:https://doi.org/10.59435/jgrp.v2i2.2025.69.