Lualon, Jirasit, Sirithep Plumworasawat, Bantita Phruttinarakorn, Ratchadawan Chansom, Boonsit Charoenthanuchwong, and Atcharaporn Pongtippan. 2026. “Pleural Fluid Volume for Cytological Diagnosis of Malignancy: How Much Is Optimum”. Research Medical Journal 49 (2):e274960. https://doi.org/10.33165/rmj.2026.e274960.