
University of Pennsylvania School of Medicine, Philadelphia, Pa.
Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, Pa.
Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, Pa.
Pediatric Hematology/Oncology, The Children's Hospital of Philadelphia, Philadelphia, Pa.
American Board of Pediatrics
American Board of Pediatrics/Pediatric Hematology-Oncology,
1982
Congenital platelet disorders
General hematology