| Abbreviations | Meaning |
 | AAA | Aromatic Amino Acid |
 | XAA | Unknown Amino Acid |
 | PNBA | P-nitrobenzoic Acid |
 | HIDA | Hepatic Iminodiacetic Acid (imaging Or Scanning) |
 | PLG | Plasminogen; Polylactic-co-glycolic Acid; Poly-DL-lactide/glycolide; L-propyl-L-leucyl-glucinamide |
 | GPA(3-) | 3-guanidinopropionic Acid |
 | MCFA | Medium-chain Fatty Acid; Miniature Centrifugal Fast Analyzer |
 | EMTA | Endomethylene Tetrahydrophthalic Acid |
 | FA | Folic Acid |
 | METHF | Methyltetrahydrofolic Acid |
 | HMMA | 4-hydroxy-3-methoxymandelic Acid |
 | EDTA | Ethylenediaminetetraacetic Acid |
 | POLY-U, POLY(U) | Polyuridylic Acid |
 | RPASE | Ribonucleic Acid Polymerase |
 | TRP | Transfer Ribonucleic Acid Proline |