Wnt antagonist, secreted frizzled-related protein 4 (SFRP4) and peptides from its associated domains, increases chemotherapeutic response of cancer stem cells of malignant mesothelioma cell lines - Perumal, V.; Kumar, S.; Arfuso, Frank; Fox, S.; Dharmarajan, Arunasalam (AMER ASSOC CANCER RESEARCH, 2017)