TY - JOUR AU - Oreiro Villar, Natividad PY - 2013 SN - 0003-4967 UR - http://hdl.handle.net/20.500.11940/4420 LA - eng TI - Implication of IL-2/IL-21 region in systemic sclerosis genetic susceptibility. DO - 10.1136/annrheumdis-2012-202357 T2 - Annals of the rheumatic diseases VL - 72 ER -