| COI | Central Obesity Index; certificate of insurance; cost of illness |
|---|---|
| HHHO | hypotonia, hypomentia, hypogonadism, obesity [syndrome] |
| MO | macroorchidism; manually operated; Master of Obstetrics; Master of Osteopathy; medical officer; mesi... |
| MOMO | macrosomia-obesity-macrocephaly-ocular abnormalities [syndrome] |
| OB | obese [mouse]; obese, obesity; objective benefit; obliterative bronchiolitis; obstetrics, obstetrici... |