Soetono, Soetono, Santoso Soeroso, and Warsito Sutikno. “Effect of Carnitine in Diphtheria: A Preliminary Report”. Paediatrica Indonesiana 39, no. 3-4 (April 30, 1999): 102-7. Accessed January 9, 2025. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/1685.