[1] Bristol Inst Transfus Sci, Bristol BS10 5ND, Avon, England
[2] Int Blood Grp Reference Lab, Bristol BS10 5ND, Avon, England
[3] Ctr Natl Transfus Sanguine, F-75739 Paris 15, France
[4] Sci Consultat & Translat, D-51429 Bergisch Gladbach, Germany
[5] Amer Red Cross, Blood Serv, Los Angeles, CA 90006 USA
[6] Auckland Inst Technol, Glycosci Res Ctr, Auckland 1020, New Zealand
[7] Aarhus Univ Hosp, Dept Clin Immunol, Reg Blood Transfus Ctr, DK-8200 Aarhus N, Denmark
[8] Univ Michigan Hosp, Dept Pathol, Ann Arbor, MI 48109 USA
[9] Natl Blood Serv Ctr, Reference Lab Immunohematol, IL-53621 Tel Hshomer, Israel
[10] Natl Blood Serv Ctr, Blood Grp, IL-53621 Tel Hshomer, Israel
[11] Yorkshire Blood Transfus Serv, Leeds LS15 7TW, W Yorkshire, England
[12] Baylor Coll Med, Methodist Hosp, Houston, TX 77030 USA
[13] UT Houston, Sch Med, Houston, TX 77030 USA
[14] Gamma Biol Inc, Houston, TX 77092 USA
[15] Netherlands Red Cross, Blood Transfus Serv, Cent Lab, Amsterdam, Netherlands
[16] New York Blood Ctr, New York, NY 10021 USA
[17] CNTS St Antoine, Ctr Natl Reference, Grp Sanguins, F-75571 Paris 13, France
[18] Blutspendedienst Hessen, D-6000 Frankfurt 71, Germany
[19] Finnish Red Cross Blood Transfus Serv, SF-00310 Helsinki 31, Finland
[20] Osaka Red Cross Blood Ctr, Joto Ku, Osaka 5368505, Japan
[21] Hosp Sirio Libanes, Blood Bank, Sao Paulo, Brazil
[22] Rh Lab, Winnipeg, MB R3E OL8, Canada