Bladé J, López-Guillermo A, Tassies D, Montserrat E, Rozman C
Postgraduate School of Haematology Farreras Valentí, Hospital Clinic i Provincial, University of Barcelona, Spain.
Br J Haematol. 1991 Nov;79(3):523-5. doi: 10.1111/j.1365-2141.1991.tb08068.x.