“…If this is necessary, it is also possible to calculate the curves, which represent the relation between concentrations of Ag-Ab complexes or free antibody and antigen concentrations or dilution the mixture of Ag-Ab, which can exist in vivo. www.interscience.wiley.com/journal/jmr (Friguet et al, 1985;Hogg et al, 1987;Stevens, 1987;Bator and Reading, 1989;Hoylaerts et al, 1990;Azimzadeh and Van Regenmortel, 1991;Larvor et al, 1994;Ballegaard et al, 1995;Hardy et al, 1997). This paper suggests a new approach which is based on a new principle and has some advantages over the earlier suggested ones.…”