Mark A. Jacobson is a professor of medicine at the University of California San Francisco and an attending physician at San Francisco General Hospital. He began his internship days...mehr sehenMark A. Jacobson is a professor of medicine at the University of California San Francisco and an attending physician at San Francisco General Hospital. He began his internship days after the CDC reported a mysterious, fatal form of immunodeficiency in five gay men and soon after was assigned responsibility for critically ill patients with this syndrome.weniger sehen