Sarah Alexander is an expert in the field of Pediatric Hematology & Oncology. He went to medical school at Harvard Medical School. Harvard Medical School is one of the top medical schools in the US. Harvard Medical School is ranked 1 in research and 12 in primary care medicine Sarah Alexander is a published physician. He published 7 publications, including: 'Evaluation of prolonged aPTT values in the pediatric population.'
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