| MEF | maximal expiratory flow; middle ear fluid; midexpiratory flow; migration enhancement factor; mouse e... |
|---|---|
| PIE | postinfectious encephalomyelitis preimplantation embryo; prosthetic infectious endocarditis; pulmona... |
| QEF | quail embryo fibroblasts |
| SET | surrogate embryo transfer; systolic ejection time |
| SHE | Syrian hamster embryo |