Letter from the editors.

    Semin Nucl Med. 2008 Sep;38(5):305

Radiation dosimetry and exposure in nuclear medicine.

    Semin Nucl Med. 2008 Sep;38(5):306-7

State of the art in nuclear medicine dose assessment.

    Semin Nucl Med. 2008 Sep;38(5):308-20

Three-dimensional imaging-based radiobiological dosimetry.

    Semin Nucl Med. 2008 Sep;38(5):321-34

Kinetic modeling in support of radionuclide dose assessment.

    Semin Nucl Med. 2008 Sep;38(5):335-46

Risks to normal tissues from radionuclide therapy.

    Semin Nucl Med. 2008 Sep;38(5):347-57

Therapeutic radionuclides: biophysical and radiobiologic principles.

    Semin Nucl Med. 2008 Sep;38(5):358-66

Small-scale dosimetry: challenges and future directions.

    Semin Nucl Med. 2008 Sep;38(5):367-83

Nuclear medicine exposure in the United States, 2005-2007: preliminary results.

    Semin Nucl Med. 2008 Sep;38(5):384-91

Effects of low level radiation-what's new?

    Semin Nucl Med. 2008 Sep;38(5):392-402