3574
This study was undertaken to investigate the links between the long - term administration of digoxin therapy and sexual behavior , and the effect of digoxin on plasma levels of estradiol , testosterone , and LH .
 Chemical: digoxin; Chemical: digoxin; Chemical: estradiol; Chemical: testosterone
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: digoxin; Chemical: digoxin; Chemical: estradiol; Chemical: testosterone