Lurati, A., Cimaz, R., Gattinara, M., Gerloni, V., Teruzzi, B., Salmaso, A. and Fantini, F. (2008) “Relationship between delayed menarche and bone density in patients affected by juvenile”, Reumatismo, 60(3), pp. 224–229. doi: 10.4081/reumatismo.2008.224.