Comparison of Oxygen Saturation Values between Apple Watch Ultra® and Conventional Commercial Oximeters in Pediatric Patients with Cardiopulmonary Disease Treated at Mario Catarino Rivas Hospital, January–June 2024. Respirar [Internet]. 2025 Oct. 11 [cited 2026 Aug. 23];17(3):297-306. Available from: https://respirar.alatorax.org/index.php/respirar/article/view/281