Strickholm Alfred. “Control of Ionic Permeability by Membrane Charged Groups: Dependency on PH, Depolarization, Tetrodotoxin and Procaine”. Upsala Journal of Medical Sciences 86, no. 1 (March 1, 1981): 9-21. Accessed February 14, 2025. https://ujms.net/index.php/ujms/article/view/7133.