15113
Abstract Purpose : To develop and to validate a simple but sensitive method for determination of vitamins D ( 3 ) and K ( 1 ) in rat plasma .
 Chemical: vitamins D ( 3 ) and K ( 1 )
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: vitamins D ( 3 ) and K ( 1 ) 
Answer:
 Chemical: vitamins D ( 3 ) and K ( 1 )