title: Chimerism, tolerance, and twins.
authors.affiliation: Dr. Burlingham is Professor of Surgery at the University of Madison, Madison, Wisconsin; e-mail: burlingham@surgery.wisc.edu.
authors.forename: William J
authors.initials: WJ
authors.lastname: Burlingham
mesh_terms: D046528:Chimerism; D005260:Female; D005330:Fetofetal Transfusion / Q000276:immunology*; D006801:Humans; D007108:Immune Tolerance / Q000276:immunology*; D008297:Male; D011247:Pregnancy; D014427:Twins / Q000276:immunology*