Mansano, R. Z.; Beall, M. H.; Ross, M. G. (2007). «Fetal ST segment heart rate analysis in labor: Improvement of intervention criteria using interpolated base deficit». Journal of Maternal-Fetal and Neonatal Medicine. 20: 47–52. PMID17437199. doi:10.1080/14767050601055279
nih.gov
ncbi.nlm.nih.gov
Mansano, R. Z.; Beall, M. H.; Ross, M. G. (2007). «Fetal ST segment heart rate analysis in labor: Improvement of intervention criteria using interpolated base deficit». Journal of Maternal-Fetal and Neonatal Medicine. 20: 47–52. PMID17437199. doi:10.1080/14767050601055279