| ISIS | image selected in vivo spectroscopy; imaging science and information system; information system-imag... |
|---|---|
| DRID | double radial immunodiffusion; double radioisotope derivative |
| RIM | radioisotope medicine; recurrent induced malaria; relative-intensity measure |
| RIN | radioisotope nephrography; rat insulinoma |
| t | Greek lower case letter tau; life [of radioisotope]; relaxation time; shear stress; spectral transmi... |