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(2006). Characterization of fetal heart rate irregularity using approximate entropy and wavelet filtering. In Computers in CardiologyComput Cardiol (Vol. 33, pp. 933 - 936).
(2010). Access to computerised analysis of intrapartum cardiotocographs improves clinicians' prediction of newborn umbilical artery blood pH. BJOG: An International Journal of Obstetrics and GynaecologyBJOG Int. J. Obstet. Gynaecol., 117(10), 1288 - 1293.
(2010). Comparison of a computer system evaluation of intrapartum cardiotocographic events and a consensus of clinicians. Journal of perinatal medicineJ Perinat Med, 38(2), 191 - 195.
(2013). Comparison of real beat-to-beat signals with commercially available 4 Hz sampling on the evaluation of foetal heart rate variability. Medical and Biological Engineering and Computing, 51(6), 665 - 676.
(2011). Complexity and categorical analysis may improve the interpretation of agreement studies using continuous variables. Journal of Evaluation in Clinical PracticeJ. Eval. Clin. Pract., 17(3), 511 - 514.
(2014). Development and evaluation of an algorithm for computer analysis of maternal heart rate during labor. Computers in Biology and Medicine, 49(1), 30 - 35.
(2003). Development of foetal and neonatal simulators at the University of Porto. Medical Education, SupplementMed. Educ. Suppl., 37(1), 29 - 33.
(2014). External uterine contractions signal analysis in relation to labor progression and dystocia. IFMBE Proceedings, 41, 555 - 558.
(2014). Fetal behavioral dynamics in cephalic versus breech presentations. Developmental Psychobiology, 56(7), 1595 - 1600.
(2000). Fetal heart rate baselines in twins: Interobserver agreement in antepartum estimation. Journal of Reproductive Medicine for the Obstetrician and GynecologistJ. Reprod. Med. Obstet. Gynecol., 45(2), 105 - 108.
(2008). Frequency domain and entropy analysis of fetal heart rate: Appealing tools for fetal surveillance and pharmacodynamic assessment of drugs. Cardiovascular and Hematological Disorders - Drug TargetsCardiovasc. Hematol. Disord. Drug Targets, 8(2), 91 - 98.
(2013). Gender-specific heart rate dynamics in severe intrauterine growth-restricted fetuses. Early Human Development, 89(6), 431 - 437.
(2014). Impact of the introduction of fetal central monitoring on hospital expenses with cardiotocographic paper. Journal of Obstetrics and Gynaecology, 34, 82-84.
(2006). Internal versus external intrapartum foetal heart rate monitoring: The effect on linear and nonlinear parameters. Physiological MeasurementPhysiol. Meas., 27(3), 307 - 319.
(2010). An intrauterine pressure generator for educational simulation of labour and delivery. Medical Engineering and PhysicsMed. Eng. Phys., 32(7), 740 - 745.
(2011). Knowledge of adverse neonatal outcome alters clinicians' interpretation of the intrapartum cardiotocograph. BJOG: An International Journal of Obstetrics and GynaecologyBJOG Int. J. Obstet. Gynaecol., 118(8), 978 - 983.
(2011). The limits of agreement and the intraclass correlation coefficient may be inconsistent in the interpretation of agreement. Journal of Clinical EpidemiologyJ. Clin. Epidemiol., 64(3), 264 - 269.
(2008). Linear and complex heart rate dynamics vary with sex in relation to fetal behavioural states. Early Human DevelopmentEarly Hum. Dev., 84(7), 433 - 439.
(2007). Linear and nonlinear analysis of heart rate patterns associated with fetal behavioral states in the antepartum period. Early Human DevelopmentEarly Hum. Dev., 83(9), 585 - 591.
(2006). Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery. Medical and Biological Engineering and ComputingMed. Biol. Eng. Comput., 44(10), 847 - 855.
(2010). A model for educational simulation of hemodynamic transitions at birth. Pediatric ResearchPediatr. Res., 67(2), 158 - 165.
(2013). A model for educational simulation of the effect of oxytocin on uterine contractions. Medical Engineering and Physics, 35(4), 524 - 531.
(2012). A model for educational simulation of the evolution of uterine contractions during labor. Computer Methods and Programs in BiomedicineComput. Methods Programs Biomed., 107(2), 242 - 247.
(1998). Objective computerized fetal heart rate analysis. International Journal of Gynecology and ObstetricsInt. J. Gynecol. Obstet., 62(2), 141 - 147.
(2011). Observer reliability and agreement: Differences, difficulties, and controversies. Journal of Clinical EpidemiologyJ. Clin. Epidemiol., 64(6), 702.