@article {van Es1439, author = {Michael A van Es and Jan H Veldink and Helenius J Schelhaas and Bastiaan R Bloem and Peter Sodaar and Bart F L van Nuenen and Marcel Verbeek and Bart P van de Warrenburg and Leonard H van den Berg}, title = {Serum angiogenin levels are elevated in ALS, but not Parkinson{\textquoteright}s disease}, volume = {85}, number = {12}, pages = {1439--1440}, year = {2014}, doi = {10.1136/jnnp-2013-307168}, publisher = {BMJ Publishing Group Ltd}, issn = {0022-3050}, URL = {https://jnnp.bmj.com/content/85/12/1439}, eprint = {https://jnnp.bmj.com/content/85/12/1439.full.pdf}, journal = {Journal of Neurology, Neurosurgery \& Psychiatry} }