2942
Prolonged suspension induced a significant change in the geometric configuration of the femur middiaphysis by increasing the minimum diameter ( 12 % ) without any significant alterations in cortical area , density , mineral , and collagen concentrations .
 GENE: collagen
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: collagen 
Answer:
 GENE: collagen