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Gil A, Lavilla P, Valencia E, Pintado V, Dupla ML, Khamashta MA, García-Puig J, Ortiz-Vázquez J.Gil A, et al.Postgrad Med J. 1991 Jun;67(788):548-52. doi: 10.1136/pgmj.67.788.548.Postgrad Med J. 1991.PMID: 1924024Free PMC article.Clinical Trial.
Lavilla Uriol P, Gil A, Valencia E, Pintado V, López Dupla M, Khamashta M, García Puig J, Ortiz Vázquez J.Lavilla Uriol P, et al.Rev Clin Esp. 1992 Feb;190(3):115-9.Rev Clin Esp. 1992.PMID: 1561451Clinical Trial.Spanish.
Gil A, Lavilla P, López Dupla M, Valencia E, Pintado V, Khamashta M, García Puig J, Ortiz-Vázquez J.Gil A, et al.Med Clin (Barc). 1992 Apr 25;98(16):612-7.Med Clin (Barc). 1992.PMID: 1630165Spanish.
Casas E, García Puig J, Villar A, González Sanz A, Miranda ME, Ortiz Vázquez J.Casas E, et al.Med Clin (Barc). 1989 Jun 3;93(1):23-5.Med Clin (Barc). 1989.PMID: 2505004Spanish.