TY - BOOK AU - Pharmacia Fine Chemicals TI - Sephadex ion exchangers: a guide to ion exchange chromatography AV - QD 117.C5 S46 PY - 0000///[s.f.] CY - Sweden PB - Pharmacia Fine Chemicals KW - CromatografĂ­a KW - CromatografĂ­a de intercambio de iones ER -