PDBx/mmCIF
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diffrn_group
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diffrn_group
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diffrn
diffrn_attenuator
diffrn_detector
diffrn_measurement
diffrn_orient_matrix
diffrn_orient_refln
diffrn_radiation
diffrn_radiation_wavelength
diffrn_refln
diffrn_reflns
diffrn_reflns_class
diffrn_scale_group
diffrn_source
diffrn_standard_refln
diffrn_standards