المؤلفون: BUNDESEN, HERMAN N., FISHBEIN, WILLIAM I., ABRAMS, IRVING R., MILLER, RICHARD D.

المصدر: JAMA: Journal of the American Medical Association; July 1940, Vol. 115 Issue: 2 p104-107, 4p

المؤلفون: DeYoung, Vernon R., Abrams, Irving R.

المصدر: Marriage and Family Living ; volume 11, issue 3, page 121 ; ISSN 0885-7059

الاتاحة: http://dx.doi.org/10.2307/348407