Dr. John J. Costanzi is an expert in the field of Hematology. He researched medicine at Georgetown University School of Medicine. Georgetown University School of Medicine is ranked 49/84 in Research/PrimaryCare. He received awards:"Super Doctor". Doctor John J. Costanzi, MD has written publications. He has 100 publications published with PubMed. The lastest paper is: 'Effects of single and combined chemotherapeutic agents on hemopoietic stem cells in mice.'
 San Antonio Uniformed Services Health Education Consortium
 San Antonio Uniformed Services Health Education Consortium Georgetown University School of Medicine
 Georgetown University School of Medicine Seton Medical Center Austin
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