JHA, N.; KUMAR, S. Are we progressing towards elimination of diphtheria, pertusis, tetanus from Nepal?. Kathmandu University Medical Journal, [S. l.], v. 6, n. 4, p. 520–525, 2009. DOI: 10.3126/kumj.v6i4.1749. Disponível em: https://nepjol.info/index.php/KUMJ/article/view/1749. Acesso em: 5 dec. 2024.