| HX | histiocytosis X; hydrogen exchange; hypophysectomized |
|---|---|
| IEC | injection electrode catheter; International Electrotechnical Commission; intraepithelial carcinoma; ... |
| IET | intrauterine exchange transfusion |
| IGE | impaired gas exchange |
| PE | Edinburgh Pharmacopoeia; pancreatic extract; paper electrophoresis; partial epilepsy; pelvic examina... |
| CEC | cation exchange capacity |
|---|---|
| GEP | guanine nucleotide exchange protein |
| HPAEC | high pH anion exchange chromatography |
| HX | hydrogen exchange |