@ARTICLE{
author={Porta F,Gargani Luna,Kaloudi O,Schmidt Wolfgang A,Picano Eugenio,Damjanov Nemanja S,Matucci-Cerinic Marco},
year={2012},
title={The new frontiers of ultrasound in the complex world of vasculitides and scleroderma},
journal={RHEUMATOLOGY},
volume={51},
number={},
pages={26-30},
document_type={Review},
} 

@ARTICLE{
author={Bruyn GAW,Naredo Esperanza,Moller Ingrid,Moragues C,Garrido J,de Bock GH,D'Agostino Maria-Antonietta,Filippucci Emilio,Iagnocco Annamaria,Backhaus Marina,Swen WAA,Balint Peter V,Pineda Carlos,Milutinovic Sanja R,Kane D,Kaeley G,Narvaez FJ,Wakefield Richard J,Narvaez JA,de Augustin J,Schmidt Wolfgang A},
year={2009},
title={Reliability of ultrasonography in detecting shoulder disease in patients with rheumatoid arthritis},
journal={ANNALS OF THE RHEUMATIC DISEASES},
volume={68},
number={3},
pages={357-361},
document_type={Article},
}