22530
Complete sociodemographic , dietary information , serum measurements , and Mini - Mental State Examination ( MMSE ) assessments were available for 237 elderly men and 320 women residing in Velestino , Greece ( a rural Greek town ) .
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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