%0 Journal Article %K Rheumatoid arthritis %K disease evolution period %K Pain %K Disability %K Negative emotions %K Anxiety %K Depression %K Anger %B Ansiedad y Estrés %D 2007 %I Sociedad Española para el Estudio de la Ansiedad y el Estrés %N 2-3 %P 141-151 %T The effect of the evolution period of rheumatoid arthritis on symptoms and negative emotions %V 13 %8 07/2007 %9 Journal article %@ 2174-0437