المؤلفون: Sai, Shigaku, Tanaka, Takaaki, Kosher, Robert A., Tanzer, Marvin L.

المصدر: Proceedings of the National Academy of Sciences of the United States of America, 1986 Jul . 83(14), 5081-5085.

URL الوصول: https://www.jstor.org/stable/27865

المؤلفون: Romeo, Joseph M., Esmon, Brent, Zusman, David R.

المصدر: Proceedings of the National Academy of Sciences of the United States of America, 1986 Sep 01. 83(17), 6332-6336.

URL الوصول: https://www.jstor.org/stable/28351

المؤلفون: Chang, Ming-Shi, Russell, David W., Uhr, Jonathan W., Vitetta, Ellen S.

المصدر: Proceedings of the National Academy of Sciences of the United States of America, 1987 Aug . 84(16), 5640-5644.

URL الوصول: https://www.jstor.org/stable/30095