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Internal medicine in Spain.
de Portugal J, Conthe P. de Portugal J, et al. Eur J Intern Med. 2003 Mar;14(2):131-133. doi: 10.1016/s0953-6205(03)00028-1. Eur J Intern Med. 2003. PMID: 12719033
[Clinical significance of Helicobacter pylori].
de Portugal J, Cordero M, de Luis JM. de Portugal J, et al. An Med Interna. 1990 Dec;7(12):641-4. An Med Interna. 1990. PMID: 2135580 Review. Spanish. No abstract available.
[Solitary ulcer of the rectum].
González San Martín F, Cabades F, Rodríguez A, Rincón MR, Rodrigo M, de Portugal J. González San Martín F, et al. Among authors: de portugal j. Rev Esp Enferm Apar Dig. 1983 Apr;63(4):370-2. Rev Esp Enferm Apar Dig. 1983. PMID: 6878825 Spanish. No abstract available.
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