Hemoglobinopathy as a Rare Differential Disease for Low Oxygen Saturation by Pulse Oximetry: A Case Report and Literature Review. - Takeda K; Sugiura T; Isomatsu S; Ogawa H; Murai Y; Miyata S; Imai S; Okaya T; Naito A; Sekine A; Shigeta A; Suzuki T (Internal medicine (Tokyo, Japan), 2025)