المؤلفون: Blacklow, Neil R., Rose, Frederick B., Whalen, Roberta A.

المصدر: The Journal of Infectious Diseases, 1975 May 01. 131(5), 575-578.

URL الوصول: https://www.jstor.org/stable/30106468

المؤلفون: ALBRIGHT, DAVID J., WHALEN, ROBERTA A., BLACKLOW, NEIL R.

المصدر: Nature ; volume 247, issue 5438, page 218-220 ; ISSN 0028-0836 1476-4687

الاتاحة: http://dx.doi.org/10.1038/247218a0
http://www.nature.com/articles/247218a0
http://www.nature.com/articles/247218a0.pdf