15112
A simple and sensitive method for determination of vitamins D ( 3 ) and K ( 1 ) in rat plasma : application for an in vivo pharmacokinetic study .
 Chemical: vitamins D ( 3 ) and K ( 1 )
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: vitamins D ( 3 ) and K ( 1 )