| LAS | laboratory automation system; lateral amyotrophic sclerosis; laxative abuse syndrome; left anterior-... |
|---|---|
| MCS | malignant carcinoid syndrome; managed care system; massage of the carotid sinus; mesocaval shunt; me... |
| MS | Maffuci syndrome; maladjustment score; mandibular series; Marfan syndrome; Marie-Strumpell [syndrome... |
| MSAA | multiple sclerosis-associated agent |
| MSS | Marshall-Smith syndrome; massage; Medical Superintendents' Society; Medicare Statistical System; men... |