%0 Journal Article %T Behavioral Assessment of Pain: Nonverbal Measures in Animals and Humans %A Keefe, Francis, J. %A Fillingim, Roger, B. %A Williams, David, A. %J ILAR Journal %V 33 %N 1-2 %P 3-13 %@ 1084-2020 %D 1991-01-01 %I Institute of Laboratory Animal Resources %~ DeepDyve