3997
In two experiments , neonatal female BALB / cCrgl or BALB / cfC3HCrgl mice were given subcutaneous injections of 5 micrograms 17 beta - estradiol or sesame oil for the first 3 days of life and were ovariectomized at 60 days of age , at which time vaginal concretions ( Experiments I and II ) or silica ( Experiment II ) were implanted intravaginally .
 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