hla b27 Web definitions Human Leukocyte Antigen (HLA) B27 (subtypes B*2701-2759) is a class I surface antigen encoded by the B locus in the major histocompatibi... en.wikipedia.org/wiki/HLA-B27
[Аноним] - 8 Aug, 20138 Aug, 2013 - 13y2m ago
eto teweloe zaboluvanue? kto s etum stalkuvalsa?opuwute powalysta
[Аноним] - 8 Aug, 20138 Aug, 2013 - 13y2m ago
eto teweloe zaboluvanue? kto s etum stalkuvalsa?opuwute powalysta