| http://www.w3.org/ns/prov#value | - The anti-tumor agent conjugated to the polypeptide of the invention may also be a cytokine such as interleukin-2, interleukin-4 or tumor necrosis factor alpha.It is an aspect of the invention that the therapeutically labelled polypeptides are incorporated in microparticles, ultrasound bubbles, microspheres, emulsions, or liposomes.
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