20415
The radioactivity was rapidly and widely distributed throughout the body , and remained detectable in all tissues investigated at later time points ( 24 and 48 hours for [ ( 3 ) H ] - MRP4 and [ ( 3 ) H ] - SSB siRNA , respectively ) .
 Chemical: ( 3 ) H; Chemical: ( 3 ) H
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ( 3 ) H; Chemical: ( 3 ) H