1710
At puberty ( P40 ) , half the PCPA - treated rats and half the saline - treated rats began treatment with testosterone ( T , 5 mg / kg , 5 days / week ) .
 Chemical: PCPA; Chemical: testosterone; Chemical: T
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: PCPA; Chemical: testosterone; Chemical: T