Rana M, Gajjar S, Sharma R, Sinha A, Chudasama B, Kumar P. Evaluation Of National Immunization Day (NID) Activities Under Intensified Pulse Polio Immunization Program (IPPI) Feb 2012 in Central Gujarat, India. Natl J Community Med [Internet]. 2012 Dec. 31 [cited 2024 Apr. 27];3(04):720-4. Available from: https://njcmindia.com/index.php/file/article/view/1803