1. Baumgarten, H. G., Björklund, A., Holstein, A. F., Nobin, A.: Organization and ultrastructural identification of the catecholamine nerve terminals in the neural lobe and pars intermedia of the rat pituitary. Z. Zellforsch. 126, 483?517 (1972).
2. Baumgarten, H. G., Björklund, A., Holstein, A. F., Schlossberger, H. G.: Studies on the mechanism of action of 5,6-dihydroxytryptamine on the bulbospinal serotonin neuron system. I. Ultrastructural evidence of axonal degeneration. To be published (1972).
3. Baumgarten, H. G., Björklund, A., Lachenmayer, L., Nobin, A., Stenevi, U.: Long-lasting selective depletion of brain serotonin by 5,6-dihydroxytryptamine. Acta physiol. scand., Suppl. 373 (1971).
4. Baumgarten, H. G., Björklund, A., Lachenmayer, L., Nobin, A., Stenevi, U.: Studies on the mechanism of action of 5,6-dihydroxytryptamine on the bulbospinal serotonin neuron system. II. Fluorescence microscopical and chemical evidence for a selective degeneration of serotonin axons. To be published (1972a).
5. Baumgarten, H. G., Björklund, A., Lachenmayer, L., Nobin, A., Stenevi, U.: Time-course of effects of 5,6-dihydroxytryptamine on monoamine-containing neurons in the rat brain. To be published (1972b).