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3. Ameristat Staff. Population reference bureau. Marriage/family. Current population survey (March Suppl) 2003; available at www.prb.org. Accessed June 10, 2004.
4. The effect of the Vietnam War on numbers of medical school applicants;Singer;Acad Med,1989
5. Rocking the ages: the Yankelovich report on generational marketing;Smith,1997