1 American  Society of Transplantion 。http://www.a-s-t.org/
2The National Institute of Transplantation。 http://www.transplantation.com/

The National Institute of Transplantation is an internationally recognized leader in all scientific areas of organ transplantation including laboratory and clinical research as well as professional and public education. The institute was founded by Robert Mendez MD, FACS and Rafael G. Mendez MD, FACS with the generous support of The Daughters of Charity at St. Vincent Medical Center, west of downtown Los Angeles.

The American Society of Transplantation is an international organization of transplant professionals dedicated to advancing the field of transplantation through the promotion of research, education, advocacy, and organ donation to improve patient care.