| LBP | lipopolysaccharide-binding protein; low back pain; low blood pressure; lumbar back pain |
|---|---|
| LBS | low back syndrome; lumbar back strain |
| ESF | electron scatter function; electrosurgical filter; erythropoietic stimulating factor |
| PAF | paroxysmal atrial fibrillation; peroxisomal assembly factor; phosphodiesterase-activating factor; pl... |
| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |