TY  - GEN
AU  - Richardson,N G
AU  - Peckett,W R
AU  - Donaldson,D R
TI  - Efficacy of patient controlled analgesia may have a diurnal rhythm!
SN  - 0003-2409
PY  - 1996///0819
KW  - Aged
KW  - Analgesia, Patient-Controlled
KW  - Circadian Rhythm
KW  - Humans
KW  - Male
KW  - Noise
KW  - Pain, Postoperative
KW  - drug therapy
N1  - Publication Type: Case Reports; Letter
UR  - https://doi.org/10.1111/j.1365-2044.1996.tb07776.x
ER  -