4670
ApoA - IV floated in the HDL2 / HDL3 region , promoted the formation of spherical HDL particles as determined by electron microscopy , and generated mostly alpha - and a few pre - beta - like HDL subpopulations .
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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