Tone Irene Nordtveit PhD student, Kari Klungsoyr Melve associate professor, Susanne Albrechtsen obstetrician, Rolv Skjaerven professor
Nordtveit T I, Melve K K, Albrechtsen S, Skjaerven R.
Maternal and paternal contribution to intergenerational recurrence of breech delivery: population based cohort study
BMJ 2008; 336 :872
doi:10.1136/bmj.39505.436539.BE