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  • Concept
    t442165003 |Quantitative measurement of polychlorinated biphenyl in blood specimen using gas chromatography (procedure)|
     has 
    Concept
    t246093002 |Component (attribute)|
     of 
    Concept
    t42001007 |Polychlorinated biphenyl (substance)|

Although Pharmaceutical / biologic product (product) and its descendants are considered valid values for the Component (attribute), they are not currently used as values for this attribute in the International Release. The only exception is 787859002 |Vaccine product (medicinal product)| and its descendants, which are used as valid values for this attribute.

Has specimen

Has Specimen indicates the type of specimen on which a measurement or observation is performed.

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