Clarkson T, Anthony MS, Hughes C. Estrogenic soybean isoflavones and chronic disease: risks and benefits. Trends Endocrinol Metab. 1995 Jan;6(1):11-6.
Pueschel SM, Rothman KJ, Ogilby JD. Birth weight of children with down's syndrome. Am J Ment Defic. 1976 Jan;80(4):442-5.