seroconversion occurred in 181 patients (48%) after initial vaccination; Patients who had active malignancy or those who were recently treated with a. rebecca masel, megan e roche, u. Published in baillière's best practice… 1 october 2023. Medicine, biology, environmental science. Rebecca masel, md is a board certified internist in philadelphia, pennsylvania. rebecca masel's 11 research works with 78 citations and 199 reads, including: rebecca masel is a hematologist oncology doctor in philadelphia, pennsylvania. sarcoidosis is a granulomatous disease that commonly presents with lung or lymphatic system manifestations. Diagnosis is often delayed due to variable clinical.
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