@book{
      international2009iaea,
      title={Quality Assurance for SPECT Systems},
      author={ },
      series={entity},
      number={6 },
      year={2009},
      isbn={978-92-0-103709-1 },
      url={/publications/8119/quality-assurance-for-spect-systems },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }