| MSHA | mannose-sensitive hemagglutination; Mine Safety and Health Administration |
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| MSSA | methicillin-sensitive Staphylococcus aureus |
| PSD | particle size distribution; peptone, starch, and dextrose; periodic synchronous discharge; phase-sen... |
| PSE | paradoxical systolic expansion; penicillin-sensitive enzyme; portal systemic encephalopathy; Present... |
| SCSB | static charge sensitive bed |
| lanugo hair | <anatomy> The soft woolly hair which covers most parts of the mammal foetus, and in man is shed before or soon after birth. See: Lanuginose. Source: Websters Dictionary (01 Mar 1998) |
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