| MSS | Marshall-Smith syndrome; massage; Medical Superintendents' Society; Medicare Statistical System; men... |
|---|---|
| MVS | mitral valve stenosis; multivendor service |
| NCS | National Collaborative Study; neocarcinostatin; nerve conduction study; newborn calf serum; no conce... |
| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
| PBS | perfusion-pressure breakthrough syndrome; phenobarbital sodium; phosphate-buffered saline; planar bo... |