
Ewha Woman's University College of Medicine, Seoul, Korea
Yonsei University Hospital, Seoul, Korea Brooklyn-Cumberland Medical Center, New York, NY
Pediatrics, Brooklyn-Cumberland Medical Center, New York, NY Pediatrics, Medical College of Ohio and Toledo Hospital
Hematology, The Children's Hospital of Philadelphia, Philadelphia, Pa.
American Board of Pediatrics
American Board of Pediatrics/ Hematology-Oncology
1977
Pediatric hematology
Therapeutic and donor hemapheresis
Transfusion medicine
Stem cell transplantation