3220922 PNLD pallidonigroluysian degeneration 2 3220921 PNLD Parenteral nutrition liver disease 1 3220923 PNLD pectin lyase D 1 3220924 PNLD pelvic lymph node dissection 1 3220925 PNLD people not living with diabetes 1 3220926 PNLD phonological neighborhood 1 3220920 PNLD PNL degeneration 1