[Diagnostic usefulness of apicocardiography in mitral insufficiency].

@article{Martini1967DiagnosticUO,
  title={[Diagnostic usefulness of apicocardiography in mitral insufficiency].},
  author={U Martini and Mario Iannetti and C Pastorini and P. Rosselli},
  journal={Atti della Societa italiana di cardiologia},
  year={1967},
  volume={2},
  pages={111-3}
}