| EA | early antigen; educational age; egg albumin; electric affinity; electrical activity; electroacupunct... |
|---|---|
| ECA | electrical control activity; electrocardioanalyzer; endothelial cytotoxic activity; enterobacterial ... |
| PA | panic attack; pantothenic acid; paralysis agitans; paranoia; passive aggressive; pathology; patient'... |
| AA | abdominal aorta; acetic acid; achievement age; active alcoholic; active assistive [range of motion];... |
| OA | obstructive apnea; occipital artery; occipito-anterior; occiput anterior; octanoic acid; ocular albi... |