Autologous stem cell transplantation (ASCT) with immunologically purged progenitor cells in patients with advanced stage follicular lymphoma after early partial or complete remission: toxicity, follow-up of minimal residual disease and survival. - González-Barca E, Fernández de Sevilla A, Domingo-Claros A, Romagosa V, Martín-Henao GA, De Sanjose S, Carmona M, Petit J, García J, Grañena A (Bone Marrow Transplantation, 2000)