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Office
1001 Potrero Avenue
Rm 3a25
San Francisco, CA 94110Phone+1 415-206-4623Fax+1 415-206-5484
Education & Training
- University of MichiganResidency, Surgery, 1979 - 1982
- Beth Israel Deaconess Medical CenterResidency, Surgery, 1977 - 1978
- University of Michigan Medical SchoolClass of 1976
Certifications & Licensure
- CA State Medical License 1982 - 2025
Awards, Honors, & Recognition
- America's Top Doctors Castle Connolly, 2002-2014
- America's Top Doctors for Cancer Castle Connolly, 2005-2013
- Redbook Magazine: Top Breast Cancer Doctors Castle Connolly, 2001
Publications & Presentations
PubMed
- 161 citationsPrehospital Hypoxia Affects Outcome in Patients With Traumatic Brain Injury: A Prospective Multicenter StudyJohn H. Chi, M. Margaret Knudson, Mary J. Vassar, Mary C. McCarthy, Michael B. Shapiro
The Journal of Trauma. 2006-11-01 - 49 citationsGlobal surgery opportunities for U.S. surgical residents: an interim report.M. Margaret Knudson, Margaret J. Tarpley, Patricia J. Numann
Journal of Surgical Education. 2015-07-01 - 484 citationsTherapeutic Anticoagulation with Heparin in Noncritically Ill Patients with Covid-19., , , Patrick R Lawler, Ewan C Goligher
The New England Journal of Medicine. 2021-08-26
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