Patel, Lajja, and Tulsi Patel. “‘Sehat Ka Insaf ’: A Model for Overcoming Polio in Pakistan”. The Columbia University Journal of Global Health 4, no. 1 (April 1, 2014): 20–22. Accessed January 26, 2022. https://journals.library.columbia.edu/index.php/jgh/article/view/4889.