ERRATA

In the Letter to the Editor by Trka et al, entitled “No Evidence for MLL/AF4 Expression in Normal Cord Blood Samples,” which appeared in the February 1, 1999 issue (Vol 93, No 3, pp 1106-1107), a correction should be noted. The name J. Horák should have been included in the list of authors. The correct list of authors is as follows: J. Trka, J. Zuna, O. Hrušák, K. Michalová, K. Mužı́ková, M. Kalinová, J. Horák, and J. Starý.