Ayu Aliyah and Rodiah Rahmawaty Lubis 2024. COMPARISON OF CYSTATIN C LEVEL IN TEAR FLUID AND SERUM AS BIOMARKERS IN PRIMARY OCULAR TUMORS: Oral Presentation - Observational Study - Resident. Ophthalmologica Indonesiana. 49, S2 (Apr. 2024). DOI:https://doi.org/10.35749/xj9mck59.