1. In vitro induction of Lyt surface markers on precursor cells incubated with thymosin polypeptides;Ahmed;Cancer Treat. Rep.,1978
2. Activation of T and B lymphocytes in vitro. IV. Regulatory influence on specific T cell functions by a thymus extract factor;Armerding;J. Immunol.,1975
3. Thymic function in NZB mice. II. Regulatory influence of a circulating thymic factor on antibody production against polyvinylpyrrolidone in NZB mice;Bach;J. Immunol.,1976
4. Effect of various thymic and nonthymic factors on in vitro antibody formation by spleen cells from nude mice;Blankwater;Cell. Immunol.,1978
5. Partial reactivation of impaired immune competence in aged mice by synthetic thymus factors;Bliznakov;Biochem. Biophys. Res. Com.,1978