Arlettaz M, Ersfeld S, Douchet N, Wellmann S, Bucher H. Higher multiple births in Switzerland: neonatal outcome and evolution over the last 20 years. Swiss Med Wkly [Internet]. 2011 Nov. 21 [cited 2024 Nov. 27];141(4748):w13308. Available from: https://smw.ch/index.php/smw/article/view/1386