Multiple breast cancer cell-lines derived from a single tumor differ in their molecular characteristics and tumorigenic potential. oleh Goar Mosoyan, Chandandeep Nagi, Svetlana Marukian, Avelino Teixeira, Anait Simonian, Lois Resnick-Silverman, Analisa DiFeo, Dean Johnston, Sandra R Reynolds, Daniel F Roses, Arevik Mosoian