McLaughlin, R. L., D. Schijven, W. van Rheenen, K. R. van Eijk, M. O'Brien, R. S. Kahn, R. A. Ophoff, et al. 2017. “Genetic correlation between amyotrophic lateral sclerosis and schizophrenia.” Nature Communications 8 (1): 14774. doi:10.1038/ncomms14774. http://dx.doi.org/10.1038/ncomms14774.