临床医药试验随机数的产生（Biased Coin Randomization)-Clinical medicine test the generated random number (Biased Coin Randomization)

In immunology, TCR or BCR or its secreted form antibody.[1] In simpler terms, an antigen is any substance that causes an immune system to produce antibodies against it.[2] Each antibody is specifically selected after binding to a certain antigen beca