Schaaf, L. AG Stalla, Günter, Florian Holsboer (Direktor), Max Planck Institute of Psychiatry, Max Planck Society;
Scherubl, H., Schaaf, L., Raue, F., Faiss, S., & Zeitz, M. (2004). Hereditary neuroendocrine gastroenteropancreatic tumors and multiple endocrine neoplasia type 1. Part one. diagnosis. Deutsche Medizinische Wochenschrift, 129(12), 630-633.