Journal article from the New England Journal of Medicine Variant Creutzfeldt-Jakob Disease in a Patient with Heterozygosity at PRNP Codon 129, written by Tzehow Mok, Zane Janmuktane, Susan Joiner, Tracy Campbell, Catherine Morgan, Benjamin Wakerley, Farhad Golestani, Peter Rudge, Simon Mead, H. Rolf Jager, Jonathan D. F. Wadsworth, Sebastian Brandner, John Collinge.