TY  - GEN
AU  - Lamas,X
AU  - Farré,M
AU  - Llorente,M
TI  - [Drugs for the treatment of pain]
SN  - 0025-7753
PY  - 1991///0627
KW  - Analgesics, Opioid
KW  - therapeutic use
KW  - Humans
KW  - Opioid-Related Disorders
KW  - etiology
KW  - Pain
KW  - drug therapy
KW  - Receptors, Opioid
KW  - drug effects
N1  - Publication Type: Letter
ER  -