| F2F | face-to-face |
|---|---|
| FATS | face and thigh squeeze [position for bag mask ventilation] |
| FM | face mask; facilities management; family medicine; feedback mechanism; fetal movement; fibromuscular... |
| BLB | Baker-Lima-Baker [mask]; Bessey-Lowry-Brock [method or unit]; black light bulb; Boothby-Lovelace-Bul... |
| fcc | face-centered-cubic |