Polyarthritis as the presenting symptom of a malignant fibrous histiocytoma of the heart.

@article{Sprenkel1985PolyarthritisAT,
  title={Polyarthritis as the presenting symptom of a malignant fibrous histiocytoma of the heart.},
  author={Jan Willem Berkelbach van der Sprenkel and Alphons A J M Timmermans and Heidi Elbers and Gerard van Herpen and Huib J. Dinant},
  journal={Arthritis and rheumatism},
  year={1985},
  volume={28 8},
  pages={944-7}
}