Evidence for Actively Acquired Tolerance to rh Antigens Owen, Ray D. ; Wood, Harold R. ; Foord, Alvin G. ; Sturgeon, Phillip ; Baldwin, L. G. Abstract Publication: Proceedings of the National Academy of Science Pub Date: June 1954 DOI: 10.1073/pnas.40.6.420 Bibcode: 1954PNAS...40..420O