Farooq I, Saleem J. Understanding the Trends and Implications of Vitamin B12 Supplementation in Lahore, Pakistan: An Exploratory Study: Understanding the Trends and Implications of Vitamin B12 Supplementation . PBMJ [Internet]. 2024 Sep. 30 [cited 2025 Aug. 11];7(09):21-6. Available from: http://www.pakistanbmj.com/journal/index.php/pbmj/article/view/1271