Source:http://linkedlifedata.com/resource/umls/id/C0032847
MSH: Solution titration in which the end point is read from the electrode-potential variations with the concentrations of potential determining ions. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed),CSP: use of a potentiometer, which is a resistor having a continuously adjustable sliding contact, to measure electromotive forces, and the application of such measurements.