| OIH | Office of International Health; orthoiodohippurate; ovulation-inducing hormone |
|---|---|
| OM | obtuse mental; occipitomental; occupational medicine; ocular movement; oculomotor; Osborne Mendel [r... |
| OV | oculovestibular; office visit; osteoid volume; outflow volume; ovalbumin; ovary; overventilation; ov... |
| LAI assay | Leukocyte Adherence Inhibition assay |
| MIF | 1) Mllerian Inhibiting Factor 2) Migrating Inhibition Factor |