Flachs Madsen, L R, Bülow, N S, Tanvig, M, Oldenburg, A, Andersen, L L T, Skorstengaard, M, Petersen, L, Ring, C M, Magnusson, K & Lauenborg, J 2019, ' Diagnostik og behandling af jernmangel i graviditeten ', Ugeskrift for Laeger, bind 181, nr. 14, V03180210 . < http://ugeskriftet.dk/videnskab/diagnostik-og-behandling-af-jernmangel-i-graviditeten >
Engelbrechtsen, L, Nielsen, E H, Perin, T, Oldenburg, A, Tabor, A, Skibsted, L, Danish Fetal Medicine Study Group & Petersen, O B 2013, ' Cesarean section for the second twin : a population-based study of occurrence and outcome ', Birth, vol. 40, no. 1, pp. 10-6 . https://doi.org/10.1111/birt.12023 Engelbrechtsen, L, Nielsen, E H, Perin, T, Oldenburg, A, Tabor, A, Skibsted, L, Bødker, B, Ersbak, V, Holmskov, A, JØorgensen, F S, Larsen, H, Larsen, T, Laursen, L, Mogensen, H, Petersen, O B, Sperling, L, Stornes, I & Zingenberg, H 2013, ' Cesarean Section for the Second Twin : A Population-Based Study of Occurrence and Outcome ', Birth, vol. 40, no. 1, pp. 10-16 . https://doi.org/10.1111/birt.12023 Engelbrechtsen, L, Nielsen, E H, Perin, T, Oldenburg, A, Tabor, A, Skibsted, L, Danish Fetal Medicine Study Group & Sperling, L 2013, ' Cesarean section for the second twin : a population-based study of occurrence and outcome ', Birth, vol. 40, no. 1, pp. 10-6 . https://doi.org/10.1111/birt.12023
Oldenburg, A, Rode, L, Bødker, B, Ersbak, V, Holmskov, A, Jørgensen, F S, Larsen, H, Larsen, T, Laursen, L, Mogensen, H, Petersen, O B, Rasmussen, S, Skibsted, L, Sperling, L, Stornes, I, Zingenberg, H & Tabor, A 2012, ' Influence of chorionicity on perinatal outcome in a large cohort of Danish twin pregnancies ', Ultrasound in Obstetrics & Gynecology, vol. 39, no. 1, pp. 69-74 . https://doi.org/10.1002/uog.10057