%0 Journal Article %T Analysis of repeated measures data with clumping at zero: %A Tooze, Janet A %A Grunwald, Gary K %A Jones, Richard H %J Statistical Methods in Medical Research %V 11 %N 4 %P 341-355 %@ 0962-2802 %D 2016-07-02 %I Sage PublicationsSage CA: Thousand Oaks, CA %~ DeepDyve