The 100th anniversary of the invention of pH (1909-2009) - Part II. Was it really necessary to replace the Henderson equation with that of Henderson-Hasselbalch?. Ital J Med [Internet]. 2012 Jan. 2 [cited 2025 May 22];5(4):215-26. Available from: https://www.italjmed.org/ijm/article/view/itjm.2011.215