19880
Using an ovine pseudo - afferent lymph cannulation model to capture APC that traffic from the site of injection to the local lymph node , we show that 40 - 50nm nanoparticles are taken up at the site of injection by dendritic cells ( DCs ) migrating to the draining lymph node .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None