| IMEM | improved minimum essential medium |
|---|---|
| K-MCM | potassium-containing minimum capacitation medium |
| LM | lactic acid mineral [medium]; lactose malabsorption; laryngeal mask; laryngeal muscle; lateral malle... |
| MAD | major affective disorder; mandibulo-acral dysplasia; maximum allowable dose; methylandrostenediol; m... |
| MAF | macrophage activation factor; macrophage agglutinating factor; maximum atrial fragmentation; minimum... |