PSS

• painful shoulder syndrome;

• pain sensation score;

• patient scheduling system;

• patient stimulation stack;

• perceived stress scale;

• performance support system;

• pheno-typic susceptibility score;

• physiologic saline solution;

• polystyrene sulfonate;

• porcine stress syndrome;

• primary Sjogren syndrome;

• progressive systemic scleroderma;

• progressive systemic sclerosis;

• psoriasis severity scale;

• Psychiatric Status Schedule;

• pure sensory stroke