| ALM | aerial lentiginous melanoma; alveolar living material |
|---|---|
| A-MAT | amorphous material |
| APM | Academy of Parapsychology and Medicine; Academy of Physical Medicine; Academy of Psychosomatic Medic... |
| ARM | adrenergic receptor material; aerosol rebreathing method; ambulatory renal monitor; anorectal manome... |
| BRM | biological response modifier; biuret reactive material |