PSD

• particle size distribution;

• peptone, starch, and dextrose;

• percutaneous stricture dilatation;

• periodic synchronous discharge;

• phase-sensitive detector;

• pilonidal sinus disease;

• poststenosis dilation;

• pituitary stalk distortion;

• posterior sagittal diameter;

• post-stroke depression;

• postsynaptic density;

• power spectral density;

• prevention of significant deterioration;

• Protein Sequence Database;

• psychological symptoms of dementia;

• psychosomatic disease