PCR-flow analysis used to detect the levels of chimerism in peripheral blood of bone-marrow infused organ allograft recipients at the time of rejection episodes. - Garcia-Morales R; Esquenazi V; Carreno M; Karatzas T; Gomez C; Cirocco R; Zucker K; Fuller L; Alamo A; Temple D; Fernandez H; Ciancio G; et al. (Transplantation proceedings, 1997)