1076
Estrogen replacement ( 17beta - estradiol subcutaneous pellet , 14 . 2 microg / day , 12 wk ) of Ovx rats restored the hemodynamic and locomotor effects of alpha - methyldopa to sham - operated levels .
 17beta - estradiol, alpha - methyldopa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 17beta - estradiol, alpha - methyldopa