1. Gender-specific reference charts for cardiotocographic parameters throughout normal pregnancy: a retrospective cross-sectional study of 9701 fetuses;C Amorim-Costa,2016
2. Antenatal cardiotocography for fetal assessment;RM Grivell,2012
3. Computerized analysis of normal fetal heart rate pattern throughout gestation;V Serra,2009
4. Comparison of late-second-trimester nonstress test characteristics between small for gestational age and appropriate for gestational age infants;T Yanagihara,1999
5. Cardiotocographic parameters in small-for-gestational-age fetuses: How do they vary from normal at different gestational ages? A study of 11687 fetuses from 25 to 40 weeks of pregnancy;C Amorim-Costa,2017