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Birkenhäger, R., B. Schneppe, W. Röckl, J. Wilting, H A. Weich, and J E. McCarthy. Synthesis and Physiological Activity of Heterodimers Comprising Different Splice Forms of Vascular Endothelial Growth Factor and Placenta Growth Factor. 1996.

Birkenhäger, R., et al. Synthesis and Physiological Activity of Heterodimers Comprising Different Splice Forms of Vascular Endothelial Growth Factor and Placenta Growth Factor. 1996.