Rasmussen, Mette, and Hanne Tønnesen. “Pregnant Smokers: Potential for Improvement of Intervention”. Clinical Health Promotion 5, no. 3 (December 31, 2015): 67–73. Accessed January 28, 2023. https://www.clinhealthpromot.org/index.php/clinhp/article/view/clinhp15010.