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1دورية أكاديمية
المؤلفون: Starksen, Niel F., Simpson, Paul C., Bishopric, Nannette, Coughlin, Shaun R., Escobedo, Jaime A., Williams, Lewis T.
المصدر: Proceedings of the National Academy of Sciences of the United States of America, 1986 Nov 01. 83(21), 8348-8350.
URL الوصول: https://www.jstor.org/stable/28583