| misc | miscarriage; miscellaneous |
|---|---|
| CBR | carbonyl reductase; chemical, biological, and radiological [warfare]; chemically-bound residue; chro... |
| PRP | physiologic rest position; pityriasis rubra pilaris; platelet-rich plasma; polyribosyl ribitol phosp... |
| SDU | standard deviation unit; step-down unit |
| STEP | Sequential Test of Educational Programs |