1443
Whereas agents seem promising in the test tube , clinical trials often fail due to unfavorable pharmacokinetics , poor delivery , low local concentrations , and limited accumulation in the target cell .
 Anatomy: cell
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: cell