| Abbreviations | Meaning |
 | IAPSRS | International Association Of Psychosocial Rehabilitation Services |
| AHS | American Hearing Society |
| ACT | Antichymotrypsin; Anticoagulant Therapy; Anxiety Control Training; Artemisinin Combination Therapy [malaria]; Association Of Cytogenetic Technologists |
| BSA | Biofeedback Society Of America |
| ACOOG | American College Of Osteopathic Obstetricians And Gynecologists |
| NAACCR | North American Association Of Central Cancer Registries |
| CPHA | Canadian Public Health Association; Commission On Professional And Hospital Activities |
| OATA | Ohio Athletic Trainers Association |
| ASPA | American Society Of Physician Analysts; American Society Of Podiatric Assistants; Aspartoacylase |
| EOS | European Orthodontic Society |
| CSA | Canadian Standards Association |
| ORS-ROC | Orthopedic Research Society, Republic Of China |
| MLT(ASCP) | Medical Laboratory Technician Certified By The American Society Of Clinical Pathologists |
| IASP | International Association For Study Of Pain |
| ISAKEMP | Internet Security Association And Key Management Protocol |
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