Sela, M.D. et al. 2025. Analysis of Frequency Types of Pre-analytic Stage Errors in Routine Hematology Examinations in Hospitals. Tropis: Jurnal Riset Teknologi Laboratorium Medis. 2, 2 (Oct. 2025). DOI:https://doi.org/10.37304/tropis.v2i2.19668.