Borsdorf, B., Dahmen, B., Buehren, K., Dempfle, A., Egberts, K., Ehrlich, S., … Seitz, J. (1969). BDNF levels in adolescent patients with anorexia nervosa increase continuously to supranormal levels 2.5 years after first hospitalization. Journal of Psychiatry & Neuroscience : JPN, 46(5), E568-E578. https://doi.org/10.1503/jpn.210049 (Original work published 1969)