title: Rare diseases in orthopedics: algodystrophy and aseptic osteonecrosis.
authors.affiliation: Department of Medical and Surgical Specialties and Dentistry, Second University of Naples, Naples, Italy.
authors.forename: Giovanni
authors.initials: G
authors.lastname: Iolascon
authors.affiliation: Department of Orthopaedics and Traumatology, University of Rome Tor Vergata, "Policlinico Tor Vergata" Foundation, Rome, Italy.
authors.forename: Umberto
authors.initials: U
authors.lastname: Tarantino