TY - JOUR AU - BLANCO GARCIA, FRANCISCO JAVIER AU - Oreiro Villar, Natividad PY - 2012 SN - 0300-9742 UR - http://hdl.handle.net/20.500.11940/7507 LA - eng TI - The C677T polymorphism in the MTHFR gene is associated with the toxicity of methotrexate in a Spanish rheumatoid arthritis population DO - 10.3109/03009742.2011.617312 T2 - SCANDINAVIAN JOURNAL OF RHEUMATOLOGY VL - 41 ER -