Coadministered pneumococcal conjugate vaccine decreases immune response to hepatitis A vaccine: a randomized controlled trial., Riekkinen, Marianna, Pakkanen Sari H., Hutse Veronik, Roukaerts Inge, Ollgren Jukka, Käyhty Helena, Herzog Christian, Rombo Lars, and Kantele Anu , Clin Microbiol Infect, 2023 Dec, Volume 29, Issue 12, (2023)