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
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: digoxin, digoxin, estradiol, testosterone 
Answer:
 Chemical: digoxin; Chemical: digoxin; Chemical: estradiol; Chemical: testosterone