Radon-222 Concentration and Health Implication in Borehole Water of Ngumari Costain, Jere, Local Government, Borno State. NJP [Internet]. 2024 Dec. 31 [cited 2025 Apr. 26];33(3):134-41. Available from: https://njp.nipngr.org/index.php/njp/article/view/280