| MLR | mean length response; middle latency response; mixed lymphocyte reaction |
|---|---|
| MLS | mean lifespan; median life span; median longitudinal section; microphthalmia-linear skin defects [sy... |
| MLT | left mentotransverse [fetal position] [Lat. mento-laeva transversa]; mean latency time; median letha... |
| MLU | mean length of utterance |
| MMAP | mean maternal arterial blood pressure |