prov:value
| - In particular aspects, the agent is a chemical, a drug, a proteinaceous molecule, a nucleic acid, a lipid, an antibody, an antigen, a hormone, a nutritional substance, a cell or a combination thereof In certain aspects, the hormone is a growth factor, including but not limited to transforming growth factor beta, basic fibroblast growth factor, epidermal growth factor, vascular endothelial growth f
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