13322
The D - spacing distribution on phlogopite mica is independent of type I collagen concentration , but on muscovite mica D - spacing distributions showed increased negative skewness at 20 mu g / mL and higher concentrations .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None