Preferred Label : Absolute Change From Nadir in Sum of Products of Perpendicular Diameter;
NCIt related terms : Absolute Change Nadir in Sum of PPD; ACNSPPD;
Alternative definition : CDISC: The current sum of products of perpendicular diameters minus the lowest sum
of products of perpendicular diameters previously recorded.;
Origin ID : C214747;
concept_is_in_subset