| Abbreviations | Meaning |
 | ISEK | International Society Of Electromyographic Kinesiology |
 | ARSA | American Reye's Syndrome Association; Arylsulfatase A |
 | RCP | Radiochemical Purity; Red Cell Protoporphyrin; Retrocorneal Pigmentation; Riboflavin Carrier Protein; Royal College Of Physicians |
 | NASS | National Accident Sampling System; North American Spine Society |
 | BCA | Blue Cross Association |
 | AOCA | American Osteopathic College Of Anesthesiologists |
 | AMM | Association Of Medical Microbiologists [UK] |
 | MRCGP | Membership Examination Of The Royal College Of General Practitioners |
 | ASCIA | American Spinal Cord Injury Association |
 | PCB | Paracervical Block; Polychlorinated Biphenyl; Portacaval Bypass; Postcoital Bleeding; Printed Circuit Board; Procarbazine |
 | BPA | British Paediatric Association |
 | SNMA | Student National Medical Association |
 | CAP | Caribbean Association Of Pharmacists |
 | EPHMRA | European Pharmaceutical Marketing Association |
 | ACPA | American Cleft Palate Association |