Ubel, P. A. (2005). Checking up on immigrants: A job for physicians? In L. Snyder (Ed.), Ethical Choices: Case Studies for Medical Practice Second Edition. Philadelphia: American  College of Physicians.

Ubel, P. A. “Checking up on immigrants: A job for physicians?” In Ethical Choices: Case Studies for Medical Practice Second Edition., edited by L. Snyder. Philadelphia: American  College of Physicians, 2005.

Ubel PA. Checking up on immigrants: A job for physicians? In: Snyder L, editor. Ethical Choices: Case Studies for Medical Practice Second Edition. Philadelphia: American  College of Physicians; 2005.

Ubel, P. A. “Checking up on immigrants: A job for physicians?” Ethical Choices: Case Studies for Medical Practice Second Edition., edited by L. Snyder, American  College of Physicians, 2005.

Ubel PA. Checking up on immigrants: A job for physicians? In: Snyder L, editor. Ethical Choices: Case Studies for Medical Practice Second Edition. Philadelphia: American  College of Physicians; 2005.