M TEJASRI; VISHNUVARDHAN RAO; SIMHACHALAM BABU M; DR. CSN VITTAL; DR. SAI RASHMEE RAMAVATH. “A Study on Awareness Among Parents About Pneumococcal Conjugate Vaccine in Routine Immunization Program to Prevent Pneumococcal Diseases”. International Journal of Health and Clinical Research, [S. l.], v. 5, n. 3, p. 900–902, 2022. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/5296. Acesso em: 20 mar. 2026.