Authors:
Westergaard, HB
Langhoff-Roos, J
Lingman, G
Marsal, K
Kreiner, S
Citation: Hb. Westergaard et al., A critical appraisal of the use of umbilical artery Doppler ultrasound in high-risk pregnancies: use of meta-analyses in evidence-based obstetrics, ULTRASOUN O, 17(6), 2001, pp. 466-476
Citation: L. Krebs et J. Langhoff-roos, Breech delivery at term in Denmark, 1982-92. A population-based case-control study, PAED PERIN, 13(4), 1999, pp. 431-441