Sparse feature selection methods identify unexpected global cellular response to strontium-containing materials - Autefage,H; Gentleman,E; Littmann,E; Hedegaard,MAB; Von,Erlach T; O'Donnell,M; Burden,FR; Winkler,DA; Stevens,MM (PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2015)