?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Lara&rft.aulast=Bister&rft.au=Bister%2C+Lara&rft.date=2019&rft.degree=Master&rft.title=Maternity+leave+durations+and+the+relevance+of+selection%3A+A+demographic+approach+to+maternal+health+outcomes+after+maternity+leave+for+first-time+mothers+in+Germany