| FEF50 | forced expiratory flow at 50% of forced vital capacity |
|---|---|
| FIF50 | forced inspiratory flow at 50% of forced vital capacity |
| ASP | abnormal spinal posture; acute symmetric polyarthritis; African swine pox; aged substrate plasma; al... |
| HELP | Hawaii early learning profile; Health Education Library Program; Health Emergency Loan Program; Heal... |
| UP | parallax unsharpness; ulcerative proctitis; ultrahigh purity; unipolar; upright posture; ureteropelv... |