S. Pettersen
发表
J. Carling,
S. Pettersen,
Silje Pettersen,
2014
.
B. Stray-Pedersen,
A. F. Jacobsen,
S. Vangen,
2017,
BMC Pregnancy and Childbirth.
S. Vangen,
L. Nyfløt,
R. Falk,
2023,
BMC Pregnancy and Childbirth.