| OA | obstructive apnea; occipital artery; occipito-anterior; occiput anterior; octanoic acid; ocular albi... |
|---|---|
| PAA | partial agonist activity; phenylacetic acid; phosphonoacetic acid; physical abilities analysis; plas... |
| ACD | absolute cardiac dullness; absolute claudication distance; acid-citrate-dextrose [solution]; actinom... |
| BAS | balloon atrial septostomy; benzyl anti-serotinin; beta-adrenergic stimulation; boric acid solution |
| SA | salicylic acid; saline [solution]; salt added; sarcoidosis; sarcoma; scalenus anticus; secondary ame... |