Relationship of Carboxyhemoglobin (CoHb) And Hemoglobin (Hb) Levels In Active Smokers In Gresik Regency. International Journal of Advanced Health Science and Technology [Internet]. 2024 Feb. 13 [cited 2025 Aug. 16];4(1):8-11. Available from: https://ijahst.org/index.php/ijahst/article/view/291