%0 Journal Article %T Opioids, plasticity and phrenic motor performance: investigating the off-target effects of acute morphine administration. %A Ó Murchú SC %A Slyne AD %J J Physiol %V 599 %N 19 %D 10 2021 %M 34390591 %F 6.228 %R 10.1113/JP282068 %X