SIMATUPANG, Nofi Reski Yani; GIRSANG, Ermi; RAMADHANI , Sri Lestari. Evaluation of Referral System Barriers at Dr. Pirngadi Hospital, Medan City: Qualitative Study of In-depth Interviews. Proceedings International Conference on Lifestyle Diseases and Natural Medicine (ICOLIFEMED), [S. l.], v. 2, n. 1, p. 235–240, 2026. Disponível em: http://139.162.50.187/index.php/icolifemed/article/view/7993. Acesso em: 7 apr. 2026.