Congenital Colour Vision Deficiency (CVD) and its relation with ABO Blood Group among Male School Students of Duwakot, Bhaktapur. Medphoenix [Internet]. 2024 Dec. 31 [cited 2026 Jul. 5];9(2):7-10. Available from: https://www.nepjol.info/index.php/medphoenix/article/view/73405