المؤلفون: Dalton, Kevin J., Dawson, Andrew J., Gough, Nigel A. J.

المصدر: British Medical Journal (Clinical Research Edition), 1983 May . 286(6377), 1545-1545.

URL الوصول: https://www.jstor.org/stable/29510884

المؤلفون: DAWSON, ANDREW J., MIDDLEMISS, CHARLETTE, JONES, EILEEN M., GOUGH, NIGEL A. J.

المصدر: BJOG: An International Journal of Obstetrics & Gynaecology; 1988, Vol. 95 Issue 10, p1018-1023, 6p

المؤلفون: DAWSON, ANDREW J., MIDDLEMISS, CHARLETTE, JONES, EILEEN M., GOUGH, NIGEL A. J.

المصدر: Obstetrical & Gynecological Survey ; volume 44, issue 8, page 602-604 ; ISSN 0029-7828

الاتاحة: http://dx.doi.org/10.1097/00006254-198908000-00007
http://journals.lww.com/00006254-198908000-00007