1Edward J. Wawrzynczak,Graham J. Watson,Alan J. Cumber,Raymond V. Henry,Geoffrey D. Parnell,E. Peter Rieber,Philip E. Thorpe. Blocked and non-blocked ricin immunotoxins against the CD4 antigen exhibit higher cytotoxic potency than a ricin A chain immunotoxin potentiated with ricin B chain or with a ricin B chain immunotoxin[J] 1991,Cancer Immunology Immunotherapy(5):289～295
