Genetic Variants in the <i>TBC1D2B</i> Gene Are Associated with Ramon Syndrome and Hereditary Gingival Fibromatosis oleh Thatphicha Kularbkaew, Tipaporn Thongmak, Phan Sandeth, Callum S. Durward, Pichai Vittayakittipong, Paul Duke, Anak Iamaroon, Sompid Kintarak, Worrachet Intachai, Chumpol Ngamphiw, Sissades Tongsima, Peeranat Jatooratthawichot, Timothy C. Cox, James R. Ketudat Cairns, Piranit Kantaputra