STUDY ON SEVERAL EPIDEMIOLOGICAL CHARACTERISTICS OF SMALL FLUKE INFECTION AND IDENTIFICATION OF THE FIRST RECORDED CASE OF Clonorchis sinensis IN QUANG TRI PROVINCE USING MORPHOLOGICAL AND MOLECULAR METHODS. YHCĐ. 2026;67(CĐ4-HN Ký sinh trùng-HN Hóa sinh 2026). doi:10.52163/yhc.v67iCD4.4679