26150
METHODS : Systematic review of English and non - English articles using MEDLINE ( 1946 to 2013 ) and EMBASE ( 1980 to 2013 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None