| | V - Various |  |  |  | This group comprises many different types of drugs, and assigning DDDs are difficult. Very few DDDs are assigned in this group.
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| | V09 - Diagnostic Radiopharmaceuticals |  |  |  | No DDDs have been assigned for radiopharmaceuticals.
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| | V09G - Cardiovascular System |  | This group comprises radiopharmaceuticals for myocardial scintigraphy, ejection fraction measurements, and vascular disorders.
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| | V09GX - Other Cardiovascular System Diagnostic Radiopharmaceuticals |  |  | 
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| | V09GX04 - Rubidium (82rb) Chloride | 
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