P776: ATGAM EFFICACY AND SAFETY IN MODERATE AND SEVERE ACQUIRED APLASTIC ANEMIA: OUTCOME OF A LARGE MULTICENTER COHORT OF 634 CHILDREN AND ADULTS FROM THE FRENCH AUTHORIZATION FOR TEMPORARY USE SURVEILLANCE PROGRAM

oleh: Flore Sicre de Fontbrune, Mony Fahd, Edouard Forcade, Suzanne Tavitian, Cécile Moluçon-Chabrot, Fiorenza Barraco, Yosr Hicheri, Delphine Lebon, Sébastien Maury, Anne-Lise Menard, Barbara Możejko-Pastewka, Kevin Wolter, Bruno Valtier, Thierry Leblanc, Régis Peffault de Latour