P Bolufer, F Lo Coco, D Grimwade, E Barragan, D Diverio, B Cassinat, C Chomienne, M Gonzalez, D Colomer, MT Gomez, I Marugan, J Roman, MD Delgado, JA Garcia-Marco, R Bornstein, JL Vizmanos, B Martinez, J Jansen, A Villegas, JM de Blas, P Cabello, and MA Sanz. 2001. “Variability in the Levels of PML-RAR Alpha Fusion Transcripts Detected by the Laboratories Participating in an External Quality Control Program Using Several Reverse Transcription Polymerase Chain Reaction Protocols”. Haematologica 86 (6). Pavia, Italy, 570-76. https://doi.org/10.3324/%x.