المؤلفون: Hong, R., Kay, H.E.M., Cooper, M.D., Meuwissen, H., Allan, M.J.G., Good, R.A.

المصدر: The Lancet ; volume 291, issue 7541, page 503-506 ; ISSN 0140-6736

الاتاحة: http://dx.doi.org/10.1016/s0140-6736(68)91468-2
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