M. . Retno Arimbi, D. . Tri Ratnasari, A. . Sri Wulandari, E. . Devina, and A. . Irawan, “The Relationship Between D-Dimer and NLR With the Clinical Severity of Pneumonia in Covid-19 Patients at the Regency Hospital Sidoarjo Period of June to August 2021”., J Neonatal Surg, vol. 14, no. 13S, pp. 979–984, Apr. 2025.