This document analyzes blood typing results for 4 patients: Ms. Brown, Mr. Jones, Mr. Green, and Mrs. Smith. The analysis of Ms. Brown's blood shows agglutination with anti-A and anti-B serum but not anti-Rh serum, indicating her blood type is AB. For a patient with type AB blood like Ms. Brown, any blood type could be safely received in a transfusion. The document also provides information on agglutinogens, agglutinins, blood type determination, and erythroblastosis fetalis.