Polymorphic changes in the 5' flanking region of factor VII have a combined effect on promoter strength.
Kudaravalli R, Tidd T, Pinotti M, Ratti A, Santacroce R, Margaglione M, Dallapiccola B, Bernardi F, Fortina P, Devoto M, Pollak ES. Polymorphic changes in the 5' flanking region of factor VII have a combined effect on promoter strength. Thromb Haemost. 2002 Nov; 88(5):763-7.