RT Journal Article T1 Suitability of frozen serum stored in gel separator primary sampling tubes for serological testing. A1 Rosa-Fraile, Manuel A1 Sampedro, Antonio A1 Rodríguez-Granger, Javier A1 Camacho, Enrique A1 Manrique, Ester K1 Anticuerpos antiprotozoarios K1 Anticuerpos antivirales K1 Recolección de muestras de sangre K1 Ensayo de inmunoadsorción enzimática K1 Congelación K1 Geles K1 Humanos K1 Técnicas in vitro AB The suitability of frozen serum after storage in primary sampling tubes with a gel separator for serological enzyme-linked immunosorbent assay testing (hepatitis B virus surface antigen [HBs Ag], anti-HBs Ag, anti-Toxoplasma gondii immunoglobulin G [IgG], anti-rubella virus IgG, anti-cytomegalovirus IgM, and anti-Epstein-Barr virus IgM) was evaluated for 375 samples. No difference was found among test results using fresh or stored frozen serum PB American Society for Microbiology YR 2004 FD 2004-01 LK http://hdl.handle.net/10668/2246 UL http://hdl.handle.net/10668/2246 LA en NO Rosa-Fraile M, Sampedro A, Rodríguez-Granger J, Camacho E, Manrique E. Suitability of frozen serum stored in gel separator primary sampling tubes for serological testing. Clin. Diagn. Lab. Immunol.. 2004 ; 11(1):219-21 NO Comparative Study; Journal Article; DS RISalud RD Aug 6, 2025