| LM | lactic acid mineral [medium]; lactose malabsorption; laryngeal mask; laryngeal muscle; lateral malle... |
|---|---|
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
| IPU | Inter-Parliamentary Union; 국제의회동맹 |
| UICC | Union Internationale Contrele Cancer |
| IUB | International Union of Biochemistry |