Subagio D, Subagio D. Effectiveness of Influenza Vaccine on the Risk of Pneumonia Complications in Children: Analysis. Cermin Dunia Kedokteran [Internet]. 2025 Jun. 10 [cited 2025 Jun. 15];52(6):427-32. Available from: https://cdkjournal.com/index.php/cdk/article/view/1691