| SLA | left sacroanterior [fetal position] [Lat. sacrolaeva anterior]; single-cell liquid cytotoxic assay; ... |
|---|---|
| SLP | left sacroposterior [fetal position] [Lat. sacrolaeva posterior]; segmental limb systolic pressure; ... |
| SLT | left sacrotransverse [fetal position] [Lat. sacrolaeva transversa]; single lung transplantation; smo... |
| Trend | Trendelenburg [position] |
| UPL | unusual position of limbs |