the authors studied the effect of injections of the biologically-active preparation of the thymus -- thymosine -- on the development of delayed hypersensitivity ( dhs ) and hypersensitivity of the immediate type , as well as on the number of rosette-forming and antibody-forming cells in adrenalectomized and unoperated guinea pigs .
C0020517
hypersensitivity
C0020523
hypersensitivity