1. On the possible existence of a new intraneuronal monoamine in the spinal cord of the rat;Bjorklund;J. Pharmacol. exp. Ther.,1970
2. Serotonergic and peptidergic projections to the spinal cord demonstrated by a combined retrograde HRP histochemical and immunocytochemical staining method;Bowker;Brain Research,1981
3. Cellular location of monoamines in the spinal cord;Carlsson;Acta physiol. scand.,1964
4. Ultrastructural identification of substance P cells and their processes in rat sensory ganglia and their terminals in the spinal cord by immunocytochemistry;Chan-Palay,1977
5. Serotonin and substance P coexist in neurons of the rat's central nervous system;Chan-Palay,1978