A TWENTY-SEVEN-year-old woman with rheumatic heart disease had open-heart surgery on April 5, 1966. The direct Coombs tests before operation were negative. She was studied nine days later because of ...

The Case: A 72-year-old man with chronic lymphocytic leukemia presents to the emergency department with a 3-month history of shortness of breath on exertion, lethargy, pallor and scleral icterus.

SEVERAL authors 1 have suggested that changes in the immunological reactivity of a cell may be correlated with changes in its surface structure. We present evidence here that human red cells giving a ...