382
The mechanism by which large molecules , such as the diphosphonate 99mTc - labeled EHDP or 99mTc - labeled pyrophosphate , pass through capillaries in bone is by passive diffusion .
 None
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:  
Answer:
 None