Patent=US4753894
Frankel A.E., Ring D.B., Bjorn M.J.
Monoclonal anti-human breast cancer antibodies.
Patent number US4753894, 28-Jun-1988

PubMed=2470501
Ring D.B., Kassel J.A., Hsieh-Ma S.T., Bjorn M.J., Tringale F., Eaton A.M., Reid S.A., Frankel A.E., Nadji M.
Distribution and physical properties of BCA200, a Mr 200,000 glycoprotein selectively associated with human breast cancer.
Cancer Res. 49:3070-3080(1989)

Patent=US4938948
Ring D.B., Frankel A.E.
Method for imaging breast tumors using labeled monoclonal anti-human breast cancer antibodies.
Patent number US4938948, 03-Jul-1990

Patent=US4956453
Bjorn M.J., Frankel A.E., Laird W.J., Ring D.B., Winkelhake J.L.
Anti-human ovarian cancer immunotoxins and methods of use thereof.
Patent number US4956453, 11-Sep-1990

PubMed=1715033; DOI=10.1016/0161-5890(91)90056-p
Ring D.B., Clark R., Saxena A.
Identity of BCA200 and c-erbB-2 indicated by reactivity of monoclonal antibodies with recombinant c-erbB-2.
Mol. Immunol. 28:915-917(1991)

Patent=US5169774
Frankel A.E., Ring D.B., Laird W.J.
Monoclonal anti-human breast cancer antibodies.
Patent number US5169774, 08-Dec-1992

Patent=US5629197
Ring D.B., Frankel A.E., Bjorn M.J.
Monoclonal anti-human breast cancer antibodies.
Patent number US5629197, 13-May-1997