10938
The relationships among blood concentrations of thyroid hormones and selenium , zinc , retinol , and alpha - tocopherol were studied in 44 healthy Northern Italian oldest - old subjects ( age range , 90 - 107 yr ) , selected by the criteria of the SENIEUR protocol .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None