TY - GEN AU - Rowbotham,D J TI - Endogenous opioids, placebo response, and pain SN - 0140-6736 PY - 2001///0712 KW - Analgesics, Opioid KW - administration & dosage KW - Humans KW - Nociceptors KW - drug effects KW - Opioid Peptides KW - physiology KW - Pain KW - drug therapy KW - Placebo Effect KW - Receptors, Opioid KW - Treatment Outcome N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/S0140-6736(00)05090-X ER -