J. Langa
发表
J. Carballedo,
M. Schmauch,
J. Langa,
1996,
International Orthopaedics.
N. Lunet,
R. Lucas,
H. Barros,
2007,
Cadernos de saude publica.
S. Bergström,
M. Vaz,
António Bugalho,
1999,
Bulletin of the World Health Organization.