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Harjunmaa, Ulla, Jorma Järnstedt, Kathryn G. Dewey, Ulla Ashorn, Kenneth Maleta, Stephen A. Vosti, i Per Ashorn. "Nutrient Supplementation May Adversely Affect Maternal Oral Health – a Randomised Controlled Trial in Rural Malawi." Matern Child Nutr 2015.

Harjunmaa, Ulla, et al. "Nutrient Supplementation May Adversely Affect Maternal Oral Health – a Randomised Controlled Trial in Rural Malawi." Matern Child Nutr 2015.