Berglund Anna, and Lindmark Gunilla. “Preconception Health and Care (PHC)—a Strategy for Improved Maternal and Child Health”. Upsala Journal of Medical Sciences 121, no. 4 (June 20, 2016): 216–221. Accessed September 30, 2022. https://ujms.net/index.php/ujms/article/view/6270.