15618
Here , we examine the impact of exogenous vascular endothelial growth factor ( VEGF ) on uterine cervical epithelial growth in mice ( nonpregnant and pregnant ) treated with VEGF agents ( recombinant and inhibitor ) using a variety of morphological and molecular techniques .
 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