[Alterations in calcium metabolism in patients with active tuberculosis] - Gonzalez Garcia, J J; Martinez Gomez, M E; Pena Sanchez de Rivera, J M; Sanchez Cabezudo, M J; Catalan, P; Dominguez Castellano, A; Martinez, M A; del Arco, A; Madero, R; Vazquez, J J (Medicina Clinica, 1991)