| HPPD | hours per patient day |
|---|---|
| MFD | mandibulofacial dysostosis; midforceps delivery; milk-free diet; minimum fatal dose; multiple fracti... |
| MOD | magnetic optic disk; maturity onset diabetes; Medical Officer of the Day; mesio-occlusodistal |
| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
| PBD | postburn day |