ACQUIRED hemolytic anemia is commonly associated with a positive Coombs test; when of the "gamma type," this test indicates the presence of an immunoglobulin attached to the affected red cells. The ...
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 ...