KUNCARA, D. B.; MARIEDINA, C. T.; BETTY; LUKITO, J. S.; CHRESTELLA, J. PEMERIKSAAN IMUNOHISTOKIMIA CLAUDIN-4 PADA PREPARAT CELL BLOCK CAIRAN EFUSI PLEURA BERDASARKAN KATEGORI DIAGNOSTIK THE INTERNATIONAL SYSTEM FOR REPORTING SEROUS FLUID CYTOPATHOLOGY: IMMUNOHISTOCHEMICAL EXAMINATION OF CLAUDIN-4 ON CELL BLOCK PREPARATIONS OF PLEURAL EFFUSION FLUIDS BASED ON DIAGNOSTIC CATEGORIES OF THE INTERNATIONAL SYSTEM FOR REPORTING SEROUS FLUID CYTOPATHOLOGY. Ibnu Sina: Jurnal Kedokteran dan Kesehatan - Fakultas Kedokteran Universitas Islam Sumatera Utara, v. 24, n. 2, p. 439-445, 1 Jul. 2025.