Janssens R, Lang T, Vallejo A, Galinsky J, Plate A, Morgan K, Cabezudo E, Silvennoinen R, Coriu D, Badelita S, Irimia R, Anttonen M, Manninen RL, Schoefs E, Vandebroek M, Vanhellemont A, Delforge M, Stevens H, Simoens S, Huys I. Patient preferences for multiple myeloma treatments: a multinational qualitative study. Front Med (Lausanne). 2021 Jul 6;8:686165. doi: 10.3389/fmed.2021.686165
Watts (Wideman) K, McAvinchey G, Quiroz R. Language services in survey research. ATA Chronicle. 2002 Jul;31(7):36-7.