1983 年 36 巻 1 号 p. 11-16
Inhibiting factors against mixed lymphocyte culture (MLC) are contained in normal human sera. Of 298 random normal human sera, 66 (22.1%) were found to be MLC-inhibiting sera. B cold cytotoxins and anti-F (ab') 2 antibodies in these sera were significantly associated with MLC inhibition.