| FO | fiberoptic; fish oil; foot arthrosis; foramen ovale; forced oscillation; fronto-occipital |
|---|---|
| FOC | fronto-occipital circumference |
| OA | obstructive apnea; occipital artery; occipito-anterior; occiput anterior; octanoic acid; ocular albi... |
| occ | occasional; occiput, occipital; occlusion; occlusive; occupation; occurrence |
| occip | occiput, occipital |