PAS

• para-aminosalicylate;

• Paragon Elective or Acute Stent [trial];

• Parent Attitude Scale;

• patient administration system;

• patient appointments and scheduling;

• periodic acid-Schiff [reaction];

• peripheral anterior synechia;

• persistent atrial standstill;

• Personality Assessment Scale;

• photoacoustic spectroscopy;

• phosphatase acid serum;

• physician-assisted suicide;

• Polish Amiodarone Study;

• posterior airway space;

• pre-admission screening;

• predictive accuracy on survival;

• pregnancy advisory service;

• premature atrial stimulus;

• professional activity study;

• progressive accumulated stress;

• pulmonary arterial stenosis;

• pulmonary artery systolic