| OF | occipitofrontal; open field [test]; optical fundus; orbitofrontal; osmotic fragility; osteitis fibro... |
|---|---|
| O/F | oxidation-fermentation |
| OFBM | oxidation-fermentation basal medium |
| O-R | oxidation-reduction |
| POF | pattern of failure; position of function; premature ovarian failure; primary ovarian failure; pyruva... |