| RIM | radioisotope medicine; recurrent induced malaria; relative-intensity measure |
|---|---|
| HAM | hearing aid microphone; helical axis in motion; human albumin microsphere; human alveolar macrophage... |
| PHF | paired helical filament; personal hygiene facility |
| Z-DNA | zig-zag (left-handed helical) deoxyribonucleic acid |