Beata Polgar, Gyula Kispal, Margit Lachmann, Gabriella Paar, Eszter Nagy, Peter Csere, Eva Miko, Laszlo Szereday, Peter Varga, and Julia Szekeres-Bartho. Molecular Cloning and Immunologic Characterization of a Novel cDNA Coding for Progesterone-Induced Blocking Factor. The Journal of Immunology 2003;171:5956–5963 .

The fourth author’s first name is incorrect. The correct first name is Christian.