title: [Absence of xenotropic murine leukaemia virus-related virus sequences in healthy blood donors and chronic fatigue syndrome patients in Catalonia, Spain].
authors: Maria
authors: M
authors: Pirón
authors: José
authors: J
authors: Alegre
authors: Esteban
authors: E
authors: Ribera
authors: Sílvia
authors: S
authors: Sauleda
mesh_terms: D001782:Blood Donors; D004279:DNA, Viral / Q000097:blood*; D015673:Fatigue Syndrome, Chronic / Q000097:blood*; D006801:Humans; D013030:Spain; D058008:Xenotropic murine leukemia virus-related virus / Q000235:genetics*
chemical_list: D004279:DNA, Viral