| Abbreviations | Meaning |
 | PEO-PLA | Polyethylene Dioxide-polylactic Acid |
| HPPA | Hydroxyphenylpyruvic Acid |
| AA | Alcoholics Anonymous; Allergic Alveolitis; Alopecia Areata; Alveolo-arterial; Aminoacetone; Amino Acid; Aminoacyl; Amyloid A |
| OAA | Old Age Assistance; Older Americans Act; Opticians Association Of America; Oxaloacetic Acid |
| AHB | Alpha-hydroxybutyric Acid |
| UA | Uric Acid |
| AT | Acidity, Total; Angiotensin; Antithrombin; Astatine; Atrium, Atrial |
| TIBA | 2,3,5-triiodobenzoic Acid |
| PPA | Phenylpyruvic Acid |
| UAR | Uric Acid Riboside |
| GAG | Guanine-adenine-guanine Codon For Glutamic Acid |
| AA | Active Avoidance; Acupuncture Analgesia; Acute Appendicitis; Adenine Arabinoside; Adenylic Acid; Adjuvant Arthritis; Adrenal Androgen |
| TFA | Trifluoroacetic Acid |
| LAR | Linoleic Acid-rich |
| FAF | Fatty Acid Free; Fibroblast-activating Factor |
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