title: The microchimerism puzzle.
authors.forename: Garth H
authors.initials: GH
authors.lastname: Utter
mesh_terms: D016913:Blood Component Transfusion / Q000009:adverse effects*; D005260:Female; D006801:Humans; D047589:Leukocyte Reduction Procedures; D008297:Male; D018183:Transplantation Chimera / Q000276:immunology*