1. Levi-Montalcini, R. & Booder, B. Proc. natn. Acad. Sci. U.S.A. 42, 384–391 (1960).
2. Cohen, S. Proc. natn. Acad. Sci. U.S.A. 46, 302–311 (1960).
3. Levi-Montalcini, R. & Angeletti, P. U. Pharmac. Rev. 18, 619–628 (1966).
4. Steiner, G. & Schönbaum, E. Immunosympathectomy (Elsevier, Amsterdam, 1972).
5. Levi-Montalcini, R. Nerve Cells, Transmitters and Behaviour, 84 (Elsevier, Amsterdam, 1980).