Soler-Gonzalez J, Ruiz C, Serna C, Marsal JR. The profile of general practitioners (GPs) who publish in selected family practice journals. BMC Res Notes. 2011 May 26;4:164. doi: 10.1186/1756-0500-4-164
Ferreira-Gonzalez I, Marsal JR, Mitjavila F, Parada A, Ribera A, Cascant P, Soriano N, Sanchez PL, Aros F, Heras M, Bueno H, Marrugat J, Cunat J, Civeira E, Permanyer-Miralda G. Patient registries of acute coronary syndrome: assessing or biasing the clinical real world data? Circ Cardiovasc Qual Outcomes. 2009 Nov;2(6):540-7. doi: 10.1161/CIRCOUTCOMES.108.844399