Osteogenesis Imperfecta Type 4 With COL1A2 c.1135G>A (p.Gly379Arg) Variant: Unmodified by Concurrent ALPL c.1559delT (p.Leu520ArgfsTer86) Carrier Status: A Case Report. - Nomura K; Oda Y; Yamaguchi S; Ito T; Namai Y (Cureus, 2026)