PubMed=3417487; DOI=10.1016/0360-3016(88)90297-0
Ralph R. Weichselbaum, Michael A. Beckett, Jeffrey L. Schwartz, Anatoly Dritschilo;
Radioresistant tumor cells are present in head and neck carcinomas that recur after radiotherapy.
Int. J. Radiat. Oncol. Biol. Phys. 15:575-579(1988)

PubMed=2573646; DOI=10.1080/09553008914551731
Ralph R. Weichselbaum, Jacob Rotmensch, Sijsan Ahmed-Swan, Michael A. Beckett;
Radiobiological characterization of 53 human tumor cell lines.
Int. J. Radiat. Biol. 56:553-560(1989)

PubMed=2380097; DOI=10.1016/0360-3016(90)90136-8
Dennis E. Hallahan, Michael A. Beckett, Donald William Kufe, Ralph R. Weichselbaum;
The interaction between recombinant human tumor necrosis factor and radiation in 13 human tumor cell lines.
Int. J. Radiat. Oncol. Biol. Phys. 19:69-74(1990)

PubMed=1574572; DOI=10.2307/3578273
Edward J. Dunphy, Michael A. Beckett, Lawrence H. Thompson, Ralph R. Weichselbaum;
Expression of the polymorphic human DNA repair gene XRCC1 does not correlate with radiosensitivity in the cells of human head and neck tumor cell lines.
Radiat. Res. 130:166-170(1992)