Alwan, N., Greenwood, D., Simpson, N., McArdle, H., & Cade, J. (2010). The relationship between dietary supplement use in late pregnancy and birth outcomes: A cohort study in British women. Blackwell Publishing Ltd.

Alwan, NA, DC Greenwood, NAB Simpson, HJ McArdle, και JE Cade. The Relationship between Dietary Supplement Use in Late Pregnancy and Birth Outcomes: A Cohort Study in British Women. Blackwell Publishing Ltd, 2010.

Alwan, NA, et al. The Relationship between Dietary Supplement Use in Late Pregnancy and Birth Outcomes: A Cohort Study in British Women. Blackwell Publishing Ltd, 2010.