In the article by L. R. Bailey et al., which appeared in the November 15, 1998 issue of Cancer Research (pp. 5038–5041), Materials and Methods, Paragraph 2, Lines 5–6, “…primer 2, 5′-GCC TCT TGC TTC TTA TTG GCA…,” should read “primer 2, 5′-GCC CAC TGA AAA AAT CAT CAC TCT GCT GGT CAG GTG C.” The primer contains a mutated nucleotide (underlined) to introduce a Cac8I site in order to reveal the polymorphism in codon 453.