A1L1E1X8I1N1
13 points
ALEXIN is validvalid
a substance in the blood that aids in the destruction of bacteria [n ALEXINS]
a substance in the blood which protects against disease, also ALEXINE [n -S]
a substance in the blood that aids in the destruction of bacteria [n ALEXINS]
a substance in the blood which protects against disease, also ALEXINE [n -S]