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Romero A, Romão MJ, Varela PF, Kölln I, Dias JM, Carvalho AL, Sanz L, Töpfer-Petersen E, Calvete JJ.Romero A, et al. Among authors: varela pf.Nat Struct Biol. 1997 Oct;4(10):783-8. doi: 10.1038/nsb1097-783.Nat Struct Biol. 1997.PMID: 9334740
Romero A, Varela PF, Sanz L, Töpfer-Petersen E, Calvete JJ.Romero A, et al. Among authors: varela pf.FEBS Lett. 1996 Mar 11;382(1-2):15-7. doi: 10.1016/0014-5793(96)00133-0.FEBS Lett. 1996.PMID: 8612739Free article.
Töpfer-Petersen E, Romero A, Varela PF, Ekhlasi-Hundrieser M, Dostàlovà Z, Sanz L, Calvete JJ.Töpfer-Petersen E, et al. Among authors: varela pf.Andrologia. 1998 Aug-Sep;30(4-5):217-24. doi: 10.1111/j.1439-0272.1998.tb01163.x.Andrologia. 1998.PMID: 9739418Review.
Calvete JJ, Romero A, Varela PF, Solis D, Díaz-Mauriño T, Nimtz M, Sanz L.Calvete JJ, et al. Among authors: varela pf.J Protein Chem. 1998 Aug;17(6):538-40.J Protein Chem. 1998.PMID: 9723745No abstract available.
Romero A, Varela PF, Töpfer-Petersen E, Calvete JJ.Romero A, et al. Among authors: varela pf.Proteins. 1997 Jul;28(3):454-6. doi: 10.1002/(sici)1097-0134(199707)28:3<454::aid-prot14>3.0.co;2-g.Proteins. 1997.PMID: 9223190
Romero A, Varela PF, Sanz L, Töpfer-Petersen E, Calvete JJ.Romero A, et al. Among authors: varela pf.Adv Exp Med Biol. 1997;424:311-2. doi: 10.1007/978-1-4615-5913-9_53.Adv Exp Med Biol. 1997.PMID: 9361809No abstract available.