TYPE measure_value = SELECT (
absorbed_dose_measure,
dose_equivalent_measure,
radioactivity_measure,
acceleration_measure,
amount_of_substance_measure,
area_measure,
celsius_temperature_measure,
context_dependent_measure,
count_measure,
descriptive_measure,
capacitance_measure,
electric_charge_measure,
conductance_measure,
electric_current_measure,
electric_potential_measure,
energy_measure,
magnetic_flux_density_measure,
force_measure,
frequency_measure,
illuminance_measure,
inductance_measure,
length_measure,
luminous_flux_measure,
luminous_intensity_measure,
magnetic_flux_measure,
mass_measure,
numeric_measure,
non_negative_length_measure,
parameter_value,
plane_angle_measure,
positive_length_measure,
positive_plane_angle_measure,
positive_ratio_measure,
power_measure,
pressure_measure,
ratio_measure,
resistance_measure,
solid_angle_measure,
thermodynamic_temperature_measure,
time_measure,
velocity_measure,
volume_measure);
END_TYPE; -- measure_value
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