Vidal Neira, L., Ausejo de Pomar, E., Cano Perez, R., Morales Guzmán-Barron, R., Ara Freyre, P. and Cruzalegui Rangel, W. 1992. Insufficiency fracture of the tibial plateau In rheumatoid arthritis. ACTA MEDICA PERUANA. 16, 2 (Jun. 1992), 141-145.