A MIXED-METHODS INVESTIGATION INTO BARRIERS TO ROUTINE IMMUNIZATION IN THE PERI-URBAN SLUMS OF BAHAWALPUR, PAKISTAN: A STUDY FROM LINCOLN UNIVERSITY COLLEGE MALAYSIA. The Research of Medical Science Review, [S. l.], v. 3, n. 7, p. 692–699, 2025. Disponível em: http://www.thermsr.com/index.php/Journal/article/view/1528.. Acesso em: 17 jul. 2025.