| RU | radioulnar; rat unit; reading unit; residual urine; resin uptake; resistance unit; retrograde urogra... |
|---|---|
| SU | salicyluric acid; secretory unit; sensation unit; solar urticaria; sorbent unit; spectrophotometric ... |
| LISREL | linear structural relation |
| SFIS | structural family interaction scale |
| struct | structure, structural |