I1M3M3U1N1O1D2I1F4F4U1S1I1O1N1
26 points
IMMUNODIFFUSION is validvalid
any of various analytical techniques that involve antigen and antibody solutions diffusing toward each other in a gel until antibody binds specifically to antigen to form a precipitate
any of various analytical techniques that involve antigen and antibody solutions diffusing toward each other in a gel until antibody binds specifically to antigen to form a precipitate