| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |
|---|---|
| sPLM | sleep-related periodic leg movements |
| SPT | secretin-pancreazymin [test]; single patch technique; sleep period time; spectrin; station pull-thro... |
| SR | sarcoplasmic reticulum; saturation recovery; scanning radiometer; screen; secretion rate; sedimentat... |
| SRBD | sleep-related breathing disorder |