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- Harvey, William, 1578-165791
- ebrary, Inc45
- United States36
- SpringerLink (Online service)26
- Medcom, inc., production company25
- Films for the Humanities & Sciences (Firm)20
- Infobase20
- Back, Jacobus de, approximately 1594-165818
- Center for Biologics Evaluation and Research (U.S.)18
- Lower, Richard, 1631-169118
- Wintrobe, Maxwell M. (Maxwell Myer), 1901-198616
- Cabot, Richard C. (Richard Clarke), 1868-193915
- McGraw-Hill Education LLC. publisher15
- National Institutes of Health (U.S.)15
- Strack, Hermann Leberecht, 1848-192215
- American Association of Blood Banks14
- National Heart, Lung, and Blood Institute14
- Williams, William J. (William Joseph), 1926-14
- Bartholin, Thomas, 1616-168013
- Hunter, John, 1728-179313