B. Siddartha, I. Sudheer Babu. Method development and method validation of udenafil in bulk and pharmaceutical dosage form by UV– spectrophotometric method. World J Pharm Sci [Internet]. 2014 Oct. 1 [cited 2024 Dec. 22];2(10):1300-4. Available from: https://wjpsonline.com/index.php/wjps/article/view/udenafil-uv-spectrophotometric-method