Background
Zeffren, Jacob Mayer was born in St. Louis.
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Jacob Mayer Zeffren
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Bachelor, Yeshiva U., 1971; Doctor of Medicine, St. Saint Louis University, 1975.
Career
Resident, Beth Israel Medical Center, New York City, 1975-1978; private practice,, St. Louis, 1980-1983; assistant, associate director clinical oncology, Hoffman-LaRoche, Inc., Nutley, New Jersey, 1983-1991; director drug safety, Hoffman-LaRoche, Inc., Nutley, New Jersey, since 1991. Instructor clinical medicine Washington University School Medicine, St. Louis, 1981-1985. Clinical instructor medicine U. Medicine and Dentistry New Jersey, 1987-1994, clinical assistant professor, since 1994.
