1. Polcaro P, Lova RM, Guarducci L, Conti AA, et al. (2008). Left-ventricular function and physical performance on the 6-min walk test in older patients after inpatient cardiac rehabilitation. American Journal of Physical Medicine and Rehabilitation 87(1):46-55.
2. Macchi C, Fattirolli F, Lova RM, Conti AA, et al. (2007). Early and late rehabilitation and physical training in elderly patients after cardiac surgery. American Journal of Physical Medicine and Rehabilitation 86(10):826-834.
