Alcohol and illicit and non-medical prescription drug use before and during pregnancy in Stockholm, Sweden: a cross-sectional study

Anna Persson, Sofia Lindmark, Kerstin Petersson, Erin Gabriel, Malin Thorsell, Karolina Lindström, Mona Göransson, Gunilla Cardell, Åsa Magnusson, Alcohol and illicit and non-medical prescription drug