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2. A nerve growth stimulating factor isolated from Sarcomas 37 and 180;Cohen,1954
3. Black, I. B., Hendry, I. A., and Iversen, L. L., Differences in the regulation of tyrosine hydroxylase and DOPA decar☐ylase in sympathetic ganglia and adrenal,Nature (Lond.), in press.
4. Regional effects of 6-hydroxydopamine on catecholamine containing neurones in rat brain and spinal cord;Iversen;Brain Research,1970
5. Destruction of the sympathetic ganglia in mammals by an antiserum to the nerve growth promoting factor;Levi-Montalcini,1960