Intra-articular triamcinolone hexacetonide injections in hands osteoarthritis ¿ A double-blinded randomized controlled trial with a one year follow-up Natalia de Oliva Spolidoro Paschoal; Jamil Natour; Flavia Soares Machado; Hilda Alcântara Veiga de Oliveira; Artur da Rocha Correa Fernandes; Rita Nely Vilar Furtado;