| SDL | serum digoxin level; speech discrimination level |
|---|---|
| SDT | sensory detection theory; right sacrotransverse [fetal position] [Lat. sacrodextra transversa]; sign... |
| S&H | speech and hearing |
| SIL | soluble interleukin; speech interference level |
| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |