%0 Journal Article %T Observer sensitivity to small differences: a multipoint rank-order experiment. %A Good, W F %A Sumkin, J H %A Dash, N %A Johns, C M %A Zuley, M L %A Rockette, H E %A Gur, D %J AJR. American journal of roentgenology %V 173 %N 2 %P 275-8 %@ 0361-803X %D 1999-08-17 %~ DeepDyve