What does X4 stand for?
X4 stands for "CXCR4-using"
How to abbreviate "CXCR4-using"?
"CXCR4-using" can be abbreviated as X4
What is the meaning of X4 abbreviation?
The meaning of X4 abbreviation is "CXCR4-using"
What does X4 mean?
X4 as abbreviation means "CXCR4-using"
