Evaluation of analytical equivalence between Ampulab and BD Vacutainer blood collection tubes across clinical chemistry, immunoassay, hematology, and coagulation panels​Imseok Kang Byoung-Sun Mun Jung Yoon Jung Ah Kwon Chae Seung Lim Ha Nui Kim Soo-Young Yoon Department of Laboratory Medicine, Korea University College of Medicine, Seoul, Koreaon May 5, 2026 at 4:05 am