| MPF | maturation promoting factor; mean power frequency |
|---|---|
| NEGF | neurite growth-promoting factor |
| PACC | primary ambulatory care center; promoting aphasics' communicative competence |
| PPF | pellagra preventive factor; phagocytosis promoting factor; phosphonoformate; plasma protein fraction... |
| ASDC | Association of Sleep Disorders Centers; 미국 수면 질환 센터 협회 |