Primary Care Medicine

Arch Intern Med. 1977;137(6):715-719. doi:10.1001/archinte.1977.03630180001001.
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Cardiovascular problems  Some 29,270,000 Americans are afflicted with some form of heart or circulatory disease, the American Heart Association says, and heart attacks and stroke will claim 850,000 lives this year in the United States.President John T. Shepherd, MD, DSc, dean of the Mayo Medical School, Rochester, Minn, cites research advances of recent years but notes that "much more needs to be learned at the basic level."

David and Goliath  Leukocytes can kill trichomonads despite the parasites' larger size, a University of Virginia (Charlottesville) researcher reports.Michael Rein, MD, told the American Society of Clinical Investigation meeting in Washington, DC, that this may explain in part why some women combat trichomoniasis more effectively than others. "Secondly, and more far-reaching, is the concept that some organisms can kill others [that are] larger."Edward Hook, MD, chairman, Department of Internal Medicine, notes: "Very little information is available regarding mechanisms by which


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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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