Fig. 3From: Effects of vitamin D3 on the level of heat shock protein 70 and oxidative stress in human sperm: a pilot studyImmunocytochemistry results for HSP70 protein in asthenozoospermic sample. Asterisk indicates a significant difference between the same type bars, *CI = 10.934–22.141 and **CI = − 7.0 to − 0.634Back to article page