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	1.	The vitamin B12-binding proteins of some amphibians. [electronic resource] by Sonneborn, D W Hansen, H J Producer: 19710618 In: Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.) vol. 136 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Vitamin B12 binders of chicken serum and chicken proventriculus are immunologically similar. [electronic resource] by Sonneborn, D W Hansen, H J Producer: 19700513 In: Science (New York, N.Y.) vol. 168 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Synthesis of transcobalamin II in totally hepatectomized dogs. [electronic resource] by Sonneborn, D W Abouna, G Mendez-Picon, G Producer: 19730102 In: Biochimica et biophysica acta vol. 273 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Levels of transcobalamin II in normal human serum measured with zirconyl phosphate gel. [electronic resource] by Sonneborn, D W Baskerville, A B Regelson, W Producer: 19740124 In: Scandinavian journal of haematology vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Vitamin B 12 binding proteins in the human embryo. [electronic resource] by Sonneborn, D W Iwanik, M J Hansen, H J Producer: 19740424 In: Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.) vol. 145 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)