1) UMEZAWA, H.; T. AOYAGI, H. SUDA, M. HAMADA & T. TAKEUCHI: Bestatin, a new aminopeptidase B inhibitor produced by actinomycetes. J. Antibiotics 29: 97-99, 1976
3) LAGRANGE, P. H.; G. B. MACKANESS & T. MILLER: Potentiation of T-cell-mediated immunity by selective suppression of antibody formation with cyclophosphamide. J. Exp. Med. 139: 1529-1539, 1974
4) ISHIZUKA, M.; K. KURAKATA, T. TAKEUCHI & H. UMEZAWA: Submitted for publication.
5) JERNE, N. K.; A. A. NORDIN & C. HENRY: "The agar plaque technique for recognizing antibody-producing cells" in cell-bound antibodies (Wistar Institute Press Philadelphia 1963), pp. 109-122