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1Academic Journal
المؤلفون: Rogers, Martha F., Moseley, Robin R., Simonds, Robert J., Moore, Janet S., Gwinn, Marta, Eisner, Linda G., Curran, James W., Bloom, Amy S., Peterson, Herbert B.
المصدر: Morbidity and Mortality Weekly Report: Recommendations and Reports, 1995 Jul 01. 44(RR-7), i-15.
URL الوصول: https://www.jstor.org/stable/42000590