Making rational treatment decisions in rheumatoid arthritis when methotrexate fails.

Making rational treatment decisions in rheumatoid arthritis when methotrexate fails.

The New England journal of medicine (2013-06-13)

Joan M Bathon, Donald J McMahon

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Sigma-Aldrich

甲氨蝶呤水合物, ≥98% (HPLC), powder

Sigma-Aldrich

甲氨蝶呤水合物, powder, BioReagent, suitable for cell culture, ≥98% (HPLC)

Sigma-Aldrich

甲氨蝶呤, meets USP testing specifications

Sigma-Aldrich

羟氯喹硫酸酯, ≥98% (HPLC), powder

Supelco

甲氨蝶呤，1 X 100MG 溶液, 1.0 mg/mL in methanol with 0.1N NaOH, ampule of 1 mL, certified reference material, Cerilliant^®

Sigma-Aldrich

柳氮磺胺吡啶, 97.0-101.5%

甲氨蝶呤, European Pharmacopoeia (EP) Reference Standard

Sigma-Aldrich

甲氨蝶呤水合物, ≥99.0% (sum of enantiomers, HPLC)

甲氨蝶呤, European Pharmacopoeia (EP) Reference Standard