TY  - JOUR
AN  - 033893315
AU  - Bernards,C.M.
AU  - Hill,H.F.
PY  - 1990
TI  - The pia arachnoid mater not the dura mater is the major barrier to diffusion of morphine from the epidural space to the spinal cord
JO  - Pain (Suppl
IS  - Suppl 5
SP  - S129
EP  - S129
SN  - 0304-3959
DO  - 10.1016/0304-3959(90)92395-7
UR  - https://eurekamag.com/research/033/893/033893315.php
ER  -