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Abdullah, Salsbeel Khan, Iqra Hamid Khan, Tahira Ashraf. Impact of Covid -19 on expanded program on Immunisation in District Dir lower Khyber Pakhtunkhwa. J Pak Med Assoc [Internet]. 2024 Feb. 11 [cited 2026 Apr. 30];74(3):456-8. Available from: https://jpma.org.pk/index.php/public_html/article/view/8159