21541
Student ' s t test and the Wilcoxon signed - rank test were used to estimate differences in arithmetic means of pre - and post - dietary supplementation for various anthropometric , biochemical , clinical , and gene expression parameters .
 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