Chatchaiyadej, C. (2026) “Management of Gingival Recession on the Mandibular Left Central Incisor Using a Connective Tissue Graft with an Epithelial Collar Technique”, Health Science Clinical Research. Uttaradit, Thailand, 41(1), p. e281641. doi: 10.1016/hscr.v41i1.281641.