Lopez, Lorna M., Mullen, William, Zürbig, Petra, Harris, Sarah E., Gow, Alan J., Starr, John M., Porteous, David J., Mischak, Harald and Deary, Ian J. (2011) A pilot study of urinary peptides as biomarkers for intelligence in old age. Intelligence, 39 (1). pp. 46-53. ISSN 01602896