KATZ, EMILY and ROTHSCHILD, OLIVER and HERRERA, ANDRIANA and HUANG, SOFIA and WONG, ANNA and WOJCIECHOWSKI, YVETTE and GIL, AIDA and YAN, QI JIANG and BAUCHWITZ, ROBERT (2003) Odor Based Behavioral Tasks Confounded by Distance Dependent Detection: Modification of a Murine Digging Paradigm. [Preprint]