| MO | macroorchidism; manually operated; Master of Obstetrics; Master of Osteopathy; medical officer; mesi... |
|---|---|
| MPO | maximum power output; minimal perceptible odor; myeloperoxidase |
| NERO | noninvasive evaluation of radiation output |
| PAO | peak acid output; peripheral airway obstruction; plasma amine oxidase; polyamine oxidase; pulmonary ... |
| PCO | patient complains of; polycystic ovary; predicted cardiac output |