Multivalent presentation of MPL by porous silicon microparticles favors T helper 1 polarization enhancing the anti-tumor efficacy of doxorubicin nanoliposomes. - Meraz IM; Hearnden CH; Liu X; Yang M; Williams L; Savage DJ; Gu J; Rhudy JR; Yokoi K; Lavelle EC; Serda RE (PloS one, 2014)