Costa CA, Gaio A., de Campos DA, Bernardes J. Longitudinal Changes of Cardiotocographic Parameters Throughout Pregnancy: a Prospective Cohort Study Comparing Small-For-Gestational-Age and Normal Fetuses from 24 to 40 Weeks. Journal of Perinatal Medicine. 2017;45(4):493-501.Edit

Amorim-Costa C., Gaio A., Ayres-de-Campos D., Bernardes J. Longitudinal changes of cardiotocographic parameters throughout pregnancy: a prospective cohort study comparing small-for-gestational-age and normal fetuses from 24 to 40 weeks. J Perinat Med. . 2016.Edit

Bernardes J, Gonçalves H, Ayres-de-Campos D., Rocha AP. Linear and complex heart rate dynamics vary with sex in relation to fetal behavioural states. {EARLY HUMAN DEVELOPMENT}. 2008;{84}:{433-439}.Edit

Gonçalves H, Henriques-Coelho T., Bernardes J, Rocha AP, Nogueira A., Leite-moreira A. Linear and nonlinear heart-rate analysis in a rat model of acute anoxia. {PHYSIOLOGICAL MEASUREMENT}. 2008;{29}:{1133-1143}.Edit

Gonçalves H, Bernardes J, Rocha AP, Ayres-de-Campos D.. Linear and nonlinear analysis of heart rate patterns associated with fetal behavioral states in the antepartum period. {EARLY HUMAN DEVELOPMENT}. 2007;{83}:{585-591}.Edit

Gonçalves H, Rocha AP, Ayres-de-Campos D., Bernardes J. Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery. {MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING}. 2006;{44}:{847-855}.Edit