APA

• action potential amplitude;

• aldosterone-producing adenoma;

• Ambulatory Pediatric Association;

• American Pancreatic Association;

• American Physiotherapy Association;

• American Podiatric Association;

• American Psychiatric Association;

• American Psychoanalytic Association;

• American Psychological Association;

• American Psychopathological Association;

• American Psychotherapy Association;

• aminopenicillanic acid;

• anterior margin of pulmonary artery;

• antipernicious anemia [factor];

• antiphospholipid antibody;

• antiproliferative antibody;

• arcuate premotor area;

• azidophenacyl