| OCS | occipital condyle syndrome; Ondine's curse syndrome; open canalicular system; oral contraceptive ste... |
|---|---|
| AT | abdominal thrusts; achievement test; Achilles tendon; Achard-Thiers [syndrome]; adaptive thermogenes... |
| TIB | tibia; time in bed; tumor immunology bank |
| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; eme... |
| ECP | ectrodactyly-cleft palate [syndrome]; effector cell precursor; endocardial potential; eosinophil cat... |