epidural [Adjective] + analgesia [Noun]

Strength Strength Dispersion
A:
16
CHISQ:
1,132,925.23
AWT:
42,476,031
TTEST:
4
G2:
359.8
FAWT:
1.28
MI:
16.11
LOGLOG:
64.45
JD:
0.06
MI3:
24.11
DICE:
41.03
RANGE: