This article refers to:
Volume 23, no. 11, p. 3974-3981, 2003. Page 3974, column 2: In lines 4 and 7, “OL β” should read “Polβ.”
Page 3978, legend to Fig. 3, line 2: “… are f cells transfected…” should read “… are cells transfected. …”
Page 3980, column 1: In lines 17, 24, and 35, “OLβ” should read “Polβ.”