BibTex format
@article{Kahrs:2019:10.1002/uog.20348,
author = {Kahrs, BH and Usman, S and Ghi, T and Youssef, A and Torkildsen, EA and Lindtjørn, E and Østborg, TB and Benediktsdottir, S and Brooks, L and Harmsen, L and Salvesen, KÅ and Lees, CC and Eggebø, TM},
doi = {10.1002/uog.20348},
journal = {Ultrasound in Obstetrics and Gynecology},
pages = {524--529},
title = {Descent of fetal head during active pushing: secondary analysis of prospective cohort study investigating ultrasound examination before operative vaginal delivery},
url = {http://dx.doi.org/10.1002/uog.20348},
volume = {54},
year = {2019}
}