Ethical issues in the access to emergency care for undocumented immigrants.

Patients who are undocumented immigrants (UIs) frequently present to emergency departments in the United States, especially in communities with large immigrant populations. Emergency physicians confront important ethical issues when providing care for these patients. This article examines those ethical issues and recommends best practices in emergency care for UIs.

Ral signaling pathway in health and cancer.

The Ral (Ras-Like) signaling pathway plays an important role in the biology of cells. A plethora of effects is regulated by this signaling pathway and its prooncogenic effectors. Our team has demonstrated the overactivation of the RalA signaling pathway in a number of human malignancies including cancers of the liver, ovary, lung, brain, and malignant peripheral nerve sheath tumors.